31131133034 has 64 divisors (see below), whose sum is σ = 52184563200. Its totient is φ = 13865971392.

The previous prime is 31131133009. The next prime is 31131133067. The reversal of 31131133034 is 43033113113.

It is a super-4 number, since 4×31131133034⁴ (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20991257 + ... + 20992739.

It is an arithmetic number, because the mean of its divisors is an integer number (815383800).

Almost surely, 2^31131133034 is an apocalyptic number.

31131133034 is a deficient number, since it is larger than the sum of its proper divisors (21053430166).

31131133034 is a wasteful number, since it uses less digits than its factorization.

31131133034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31131133034 its reverse (43033113113), we get a palindrome (74164246147).

The spelling of 31131133034 in words is "thirty-one billion, one hundred thirty-one million, one hundred thirty-three thousand, thirty-four".