31032321323129 has 16 divisors (see below), whose sum is σ = 35525099520000. Its totient is φ = 26554443359184.

The previous prime is 31032321323111. The next prime is 31032321323149. The reversal of 31032321323129 is 92132312323013.

It is a cyclic number.

It is not a de Polignac number, because 31032321323129 - 2¹² = 31032321319033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31032321323149) 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 15 ways as a sum of consecutive naturals, for example, 152858312 + ... + 153061190.

It is an arithmetic number, because the mean of its divisors is an integer number (2220318720000).

Almost surely, 2^{31032321323129} is an apocalyptic number.

It is an amenable number.

31032321323129 is a deficient number, since it is larger than the sum of its proper divisors (4492778196871).

31032321323129 is a wasteful number, since it uses less digits than its factorization.

31032321323129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239492.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 31032321323129 in words is "thirty-one trillion, thirty-two billion, three hundred twenty-one million, three hundred twenty-three thousand, one hundred twenty-nine".