3131212234 has 4 divisors (see below), whose sum is σ = 4696818354. Its totient is φ = 1565606116.

The previous prime is 3131212229. The next prime is 3131212277. The reversal of 3131212234 is 4322121313.

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., 2627075025 + 504137209 = 51255^2 + 22453^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782803057 + ... + 782803060.

Almost surely, 2^3131212234 is an apocalyptic number.

3131212234 is a deficient number, since it is larger than the sum of its proper divisors (1565606120).

3131212234 is a wasteful number, since it uses less digits than its factorization.

3131212234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565606119.

The product of its digits is 864, while the sum is 22.

The square root of 3131212234 is about 55957.2357608915. The cubic root of 3131212234 is about 1462.9770109236.

Adding to 3131212234 its reverse (4322121313), we get a palindrome (7453333547).

The spelling of 3131212234 in words is "three billion, one hundred thirty-one million, two hundred twelve thousand, two hundred thirty-four".