31031102234 has 32 divisors (see below), whose sum is σ = 53854588800. Its totient is φ = 13270593600.

The previous prime is 31031102189. The next prime is 31031102239. The reversal of 31031102234 is 43220113013.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31031102239) 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 15 ways as a sum of consecutive naturals, for example, 471809 + ... + 533540.

It is an arithmetic number, because the mean of its divisors is an integer number (1682955900).

Almost surely, 2^31031102234 is an apocalyptic number.

31031102234 is a deficient number, since it is larger than the sum of its proper divisors (22823486566).

31031102234 is a wasteful number, since it uses less digits than its factorization.

31031102234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005446.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31031102234 its reverse (43220113013), we get a palindrome (74251215247).

The spelling of 31031102234 in words is "thirty-one billion, thirty-one million, one hundred two thousand, two hundred thirty-four".