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32031242121 = 31710720692837
BaseRepresentation
bin11101110101001101…
…011111011110001001
310001200022102200201210
4131311031133132021
51011044444221441
622414232403333
72212523031354
oct356515373611
9101608380653
1032031242121
111264788a32a
12625b246549
13303615a908
14179c11729b
15c7710d616
hex77535f789

32031242121 has 32 divisors (see below), whose sum is σ = 45681356160. Its totient is φ = 19893564416.

The previous prime is 32031242041. The next prime is 32031242129. The reversal of 32031242121 is 12124213023.

It is a cyclic number.

It is not a de Polignac number, because 32031242121 - 27 = 32031241993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32031242129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11289115 + ... + 11291951.

It is an arithmetic number, because the mean of its divisors is an integer number (1427542380).

Almost surely, 232031242121 is an apocalyptic number.

It is an amenable number.

32031242121 is a deficient number, since it is larger than the sum of its proper divisors (13650114039).

32031242121 is a wasteful number, since it uses less digits than its factorization.

32031242121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 32031242121 its reverse (12124213023), we get a palindrome (44155455144).

The spelling of 32031242121 in words is "thirty-two billion, thirty-one million, two hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 3 17 51 107 321 1819 2069 2837 5457 6207 8511 35173 48229 105519 144687 221383 303559 664149 910677 3763511 5160503 5869753 11290533 15481509 17609259 99785801 299357403 628063571 1884190713 10677080707 32031242121