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122322203031 = 3712745865093
BaseRepresentation
bin111000111101011111…
…0001011000110010111
3102200201211210202012010
41301322332023012113
54001003440444111
6132105525155303
711560154366430
oct1617276130627
9380654722163
10122322203031
1147970770686
121b85955bb33
13b6c53345c2
145cc5914487
1532adcb0aa6
hex1c7af8b197

122322203031 has 16 divisors (see below), whose sum is σ = 187863425024. Its totient is φ = 69348019104.

The previous prime is 122322203023. The next prime is 122322203033. The reversal of 122322203031 is 130302223221.

It is a happy number.

It is not a de Polignac number, because 122322203031 - 23 = 122322203023 is a prime.

It is a super-2 number, since 2×1223222030312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122322202989 and 122322203007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122322203033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22929880 + ... + 22935213.

It is an arithmetic number, because the mean of its divisors is an integer number (11741464064).

Almost surely, 2122322203031 is an apocalyptic number.

122322203031 is a deficient number, since it is larger than the sum of its proper divisors (65541221993).

122322203031 is a wasteful number, since it uses less digits than its factorization.

122322203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45865230.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 122322203031 its reverse (130302223221), we get a palindrome (252624426252).

The spelling of 122322203031 in words is "one hundred twenty-two billion, three hundred twenty-two million, two hundred three thousand, thirty-one".

Divisors: 1 3 7 21 127 381 889 2667 45865093 137595279 321055651 963166953 5824866811 17474600433 40774067677 122322203031