3131434330 has 16 divisors (see below), whose sum is σ = 5653313640. Its totient is φ = 1248855552.

The previous prime is 3131434321. The next prime is 3131434343. The reversal of 3131434330 is 334341313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2703896001 + 427538329 = 51999^2 + 20677^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3131434295 and 3131434304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461235 + ... + 467974.

Almost surely, 2^3131434330 is an apocalyptic number.

3131434330 is a deficient number, since it is larger than the sum of its proper divisors (2521879310).

3131434330 is a wasteful number, since it uses less digits than its factorization.

3131434330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929553.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 3131434330 is about 55959.2202411721. The cubic root of 3131434330 is about 1463.0115996213.

Adding to 3131434330 its reverse (334341313), we get a palindrome (3465775643).

The spelling of 3131434330 in words is "three billion, one hundred thirty-one million, four hundred thirty-four thousand, three hundred thirty".