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2031230033 = 73761831549
BaseRepresentation
bin111100100010010…
…0001110001010001
312020120010011202222
41321010201301101
513124443330113
6533320150425
7101223112310
oct17104416121
95216104688
102031230033
11952638208
12488308415
13264a90181
14153aa8277
15bd4d0e08
hex79121c51

2031230033 has 32 divisors (see below), whose sum is σ = 2454009600. Its totient is φ = 1645090560.

The previous prime is 2031230021. The next prime is 2031230041. The reversal of 2031230033 is 3300321302.

It is a cyclic number.

It is not a de Polignac number, because 2031230033 - 26 = 2031229969 is a prime.

It is a super-2 number, since 2×20312300332 = 8251790893922362178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031229993 and 2031230020.

It is not an unprimeable number, because it can be changed into a prime (2031230633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1310543 + ... + 1312091.

It is an arithmetic number, because the mean of its divisors is an integer number (76687800).

Almost surely, 22031230033 is an apocalyptic number.

It is an amenable number.

2031230033 is a deficient number, since it is larger than the sum of its proper divisors (422779567).

2031230033 is a wasteful number, since it uses less digits than its factorization.

2031230033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 2031230033 is about 45069.1694287791. The cubic root of 2031230033 is about 1266.4451050685.

Adding to 2031230033 its reverse (3300321302), we get a palindrome (5331551335).

The spelling of 2031230033 in words is "two billion, thirty-one million, two hundred thirty thousand, thirty-three".

Divisors: 1 7 37 61 83 259 427 581 1549 2257 3071 5063 10843 15799 21497 35441 57313 94489 128567 187331 401191 661423 899969 1311317 3496093 4756979 7842587 24472651 33298853 54898109 290175719 2031230033