31023034031 has 12 divisors (see below), whose sum is σ = 34209385392. Its totient is φ = 28112040000.

The previous prime is 31023034013. The next prime is 31023034067. The reversal of 31023034031 is 13043032013.

It is not a de Polignac number, because 31023034031 - 2¹⁰ = 31023033007 is a prime.

It is a super-2 number, since 2×31023034031² (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 = 31023033994 and 31023034012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023034331) 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 11 ways as a sum of consecutive naturals, for example, 374570 + ... + 449831.

It is an arithmetic number, because the mean of its divisors is an integer number (2850782116).

Almost surely, 2^31023034031 is an apocalyptic number.

31023034031 is a deficient number, since it is larger than the sum of its proper divisors (3186351361).

31023034031 is a wasteful number, since it uses less digits than its factorization.

31023034031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824734 (or 824723 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31023034031 its reverse (13043032013), we get a palindrome (44066066044).

The spelling of 31023034031 in words is "thirty-one billion, twenty-three million, thirty-four thousand, thirty-one".