31311134434 has 8 divisors (see below), whose sum is σ = 47071305900. Its totient is φ = 15620699136.

The previous prime is 31311134423. The next prime is 31311134447. The reversal of 31311134434 is 43443111313.

It can be written as a sum of positive squares in 2 ways, for example, as 30756390625 + 554743809 = 175375^2 + 23553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17432919 + ... + 17434714.

Almost surely, 2^31311134434 is an apocalyptic number.

31311134434 is a deficient number, since it is larger than the sum of its proper divisors (15760171466).

31311134434 is a wasteful number, since it uses less digits than its factorization.

31311134434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34868084.

The product of its digits is 5184, while the sum is 28.

Adding to 31311134434 its reverse (43443111313), we get a palindrome (74754245747).

The spelling of 31311134434 in words is "thirty-one billion, three hundred eleven million, one hundred thirty-four thousand, four hundred thirty-four".