31042054031 has 8 divisors (see below), whose sum is σ = 31582928400. Its totient is φ = 30501671040.

The previous prime is 31042054027. The next prime is 31042054037. The reversal of 31042054031 is 13045024013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31042054031 - 2² = 31042054027 is a prime.

It is a super-2 number, since 2×31042054031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31042053988 and 31042054006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042054037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5765 + ... + 249233.

It is an arithmetic number, because the mean of its divisors is an integer number (3947866050).

Almost surely, 2^31042054031 is an apocalyptic number.

31042054031 is a deficient number, since it is larger than the sum of its proper divisors (540874369).

31042054031 is a wasteful number, since it uses less digits than its factorization.

31042054031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245689.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 31042054031 its reverse (13045024013), we get a palindrome (44087078044).

The spelling of 31042054031 in words is "thirty-one billion, forty-two million, fifty-four thousand, thirty-one".