31023022234 has 4 divisors (see below), whose sum is σ = 46534533354. Its totient is φ = 15511511116.

The previous prime is 31023022207. The next prime is 31023022249. The reversal of 31023022234 is 43222032013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26798672209 + 4224350025 = 163703^2 + 64995^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7755755557 + ... + 7755755560.

Almost surely, 2^31023022234 is an apocalyptic number.

31023022234 is a deficient number, since it is larger than the sum of its proper divisors (15511511120).

31023022234 is a wasteful number, since it uses less digits than its factorization.

31023022234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511511119.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 31023022234 its reverse (43222032013), we get a palindrome (74245054247).

The spelling of 31023022234 in words is "thirty-one billion, twenty-three million, twenty-two thousand, two hundred thirty-four".