31120442234 has 12 divisors (see below), whose sum is σ = 54301996314. Its totient is φ = 13337332344.

The previous prime is 31120442231. The next prime is 31120442237. The reversal of 31120442234 is 43224402113.

It is an interprime number because it is at equal distance from previous prime (31120442231) and next prime (31120442237).

It can be written as a sum of positive squares in only one way, i.e., 30809025625 + 311416609 = 175525^2 + 17647^2 .

It is not an unprimeable number, because it can be changed into a prime (31120442231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158777669 + ... + 158777864.

Almost surely, 2^31120442234 is an apocalyptic number.

31120442234 is a deficient number, since it is larger than the sum of its proper divisors (23181554080).

31120442234 is a wasteful number, since it uses less digits than its factorization.

31120442234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317555549 (or 317555542 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31120442234 its reverse (43224402113), we get a palindrome (74344844347).

The spelling of 31120442234 in words is "thirty-one billion, one hundred twenty million, four hundred forty-two thousand, two hundred thirty-four".