31331141074 has 4 divisors (see below), whose sum is σ = 46996711614. Its totient is φ = 15665570536.

The previous prime is 31331141071. The next prime is 31331141111. The reversal of 31331141074 is 47014113313.

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., 29191431025 + 2139710049 = 170855^2 + 46257^2 .

It is not an unprimeable number, because it can be changed into a prime (31331141071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7832785267 + ... + 7832785270.

Almost surely, 2^31331141074 is an apocalyptic number.

31331141074 is a deficient number, since it is larger than the sum of its proper divisors (15665570540).

31331141074 is a wasteful number, since it uses less digits than its factorization.

31331141074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15665570539.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 31331141074 its reverse (47014113313), we get a palindrome (78345254387).

The spelling of 31331141074 in words is "thirty-one billion, three hundred thirty-one million, one hundred forty-one thousand, seventy-four".