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32013220031 = 1329372295019
BaseRepresentation
bin11101110100001000…
…101111100010111111
310001122001112002001222
4131310020233202333
51011030341020111
622412350223555
72212213611002
oct356410574277
9101561462058
1032013220031
11126386a0041
1262551b4bbb
1330324ba860
141799985539
15c7574d7db
hex77422f8bf

32013220031 has 16 divisors (see below), whose sum is σ = 36628519200. Its totient is φ = 27760537728.

The previous prime is 32013220009. The next prime is 32013220051. The reversal of 32013220031 is 13002231023.

It is a cyclic number.

It is not a de Polignac number, because 32013220031 - 218 = 32012957887 is a prime.

It is a super-2 number, since 2×320132200312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32013219991 and 32013220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32013220051) 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, 1133561 + ... + 1161458.

It is an arithmetic number, because the mean of its divisors is an integer number (2289282450).

Almost surely, 232013220031 is an apocalyptic number.

32013220031 is a deficient number, since it is larger than the sum of its proper divisors (4615299169).

32013220031 is a wasteful number, since it uses less digits than its factorization.

32013220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295098.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 32013220031 its reverse (13002231023), we get a palindrome (45015451054).

The spelling of 32013220031 in words is "thirty-two billion, thirteen million, two hundred twenty thousand, thirty-one".

Divisors: 1 13 29 37 377 481 1073 13949 2295019 29835247 66555551 84915703 865222163 1103904139 2462555387 32013220031