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2031323022 = 23519219983
BaseRepresentation
bin111100100010011…
…1000011110001110
312020120021220100000
41321010320132032
513130004314042
6533322145130
7101223650361
oct17104703616
95216256300
102031323022
119526a1063
124883521a6
13264ac35b1
14153ad00d8
15bd4ed74c
hex7913878e

2031323022 has 48 divisors (see below), whose sum is σ = 4804450560. Its totient is φ = 641467512.

The previous prime is 2031323017. The next prime is 2031323027. The reversal of 2031323022 is 2203231302.

It is a happy number.

2031323022 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2031323017) and next prime (2031323027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2031322986 and 2031323004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031323027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100758 + ... + 119225.

It is an arithmetic number, because the mean of its divisors is an integer number (100092720).

Almost surely, 22031323022 is an apocalyptic number.

2031323022 is an abundant number, since it is smaller than the sum of its proper divisors (2773127538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031323022 is a wasteful number, since it uses less digits than its factorization.

2031323022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220019 (or 220007 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2031323022 is about 45070.2010423739. The cubic root of 2031323022 is about 1266.4644305782.

Adding to 2031323022 its reverse (2203231302), we get a palindrome (4234554324).

The spelling of 2031323022 in words is "two billion, thirty-one million, three hundred twenty-three thousand, twenty-two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 81 114 162 171 243 342 486 513 1026 1539 3078 4617 9234 219983 439966 659949 1319898 1979847 3959694 4179677 5939541 8359354 11879082 12539031 17818623 25078062 35637246 37617093 53455869 75234186 106911738 112851279 225702558 338553837 677107674 1015661511 2031323022