3131331330 has 16 divisors (see below), whose sum is σ = 7515195264. Its totient is φ = 835021680.

The previous prime is 3131331323. The next prime is 3131331341. The reversal of 3131331330 is 331331313.

It is a junction number, because it is equal to n+sod(n) for n = 3131331297 and 3131331306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52188826 + ... + 52188885.

It is an arithmetic number, because the mean of its divisors is an integer number (469699704).

Almost surely, 2^3131331330 is an apocalyptic number.

3131331330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3131331330 is an abundant number, since it is smaller than the sum of its proper divisors (4383863934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131331330 is a wasteful number, since it uses less digits than its factorization.

3131331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104377721.

The product of its (nonzero) digits is 729, while the sum is 21.

The square root of 3131331330 is about 55958.2999205658. The cubic root of 3131331330 is about 1462.9955588520.

Adding to 3131331330 its reverse (331331313), we get a palindrome (3462662643).

The spelling of 3131331330 in words is "three billion, one hundred thirty-one million, three hundred thirty-one thousand, three hundred thirty".