320231532044031 has 16 divisors (see below), whose sum is σ = 430159371002880. Its totient is φ = 211899132717120.

The previous prime is 320231532044023. The next prime is 320231532044143. The reversal of 320231532044031 is 130440235132023.

It is not a de Polignac number, because 320231532044031 - 2³ = 320231532044023 is a prime.

It is a super-2 number, since 2×320231532044031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320231532043983 and 320231532044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320231532004031) 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, 429897391 + ... + 430641648.

It is an arithmetic number, because the mean of its divisors is an integer number (26884960687680).

Almost surely, 2^{320231532044031} is an apocalyptic number.

320231532044031 is a deficient number, since it is larger than the sum of its proper divisors (109927838958849).

320231532044031 is a wasteful number, since it uses less digits than its factorization.

320231532044031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860539966.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 320231532044031 its reverse (130440235132023), we get a palindrome (450671767176054).

The spelling of 320231532044031 in words is "three hundred twenty trillion, two hundred thirty-one billion, five hundred thirty-two million, forty-four thousand, thirty-one".