3131132333331 has 16 divisors (see below), whose sum is σ = 4219748680608. Its totient is φ = 2065003776000.

The previous prime is 3131132333323. The next prime is 3131132333359. The reversal of 3131132333331 is 1333332311313.

It is not a de Polignac number, because 3131132333331 - 2³ = 3131132333323 is a prime.

It is a super-2 number, since 2×3131132333331² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3131132333431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4017166 + ... + 4732851.

It is an arithmetic number, because the mean of its divisors is an integer number (263734292538).

Almost surely, 2^{3131132333331} is an apocalyptic number.

3131132333331 is a deficient number, since it is larger than the sum of its proper divisors (1088616347277).

3131132333331 is a wasteful number, since it uses less digits than its factorization.

3131132333331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8751302.

The product of its digits is 13122, while the sum is 30.

Adding to 3131132333331 its reverse (1333332311313), we get a palindrome (4464464644644).

The spelling of 3131132333331 in words is "three trillion, one hundred thirty-one billion, one hundred thirty-two million, three hundred thirty-three thousand, three hundred thirty-one".