32231430040155 has 128 divisors (see below), whose sum is σ = 58278139545600. Its totient is φ = 15129585782784.

The previous prime is 32231430040151. The next prime is 32231430040171. The reversal of 32231430040155 is 55104003413223.

It is not a de Polignac number, because 32231430040155 - 2² = 32231430040151 is a prime.

It is a super-2 number, since 2×32231430040155² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32231430040151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 137885637 + ... + 138119193.

It is an arithmetic number, because the mean of its divisors is an integer number (455297965200).

Almost surely, 2^{32231430040155} is an apocalyptic number.

32231430040155 is a deficient number, since it is larger than the sum of its proper divisors (26046709505445).

32231430040155 is a wasteful number, since it uses less digits than its factorization.

32231430040155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234213.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 32231430040155 its reverse (55104003413223), we get a palindrome (87335433453378).

The spelling of 32231430040155 in words is "thirty-two trillion, two hundred thirty-one billion, four hundred thirty million, forty thousand, one hundred fifty-five".