3131021130 has 16 divisors (see below), whose sum is σ = 7514450784. Its totient is φ = 834938960.

The previous prime is 3131021123. The next prime is 3131021143. The reversal of 3131021130 is 311201313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 52183656 + ... + 52183715.

It is an arithmetic number, because the mean of its divisors is an integer number (469653174).

Almost surely, 2^3131021130 is an apocalyptic number.

3131021130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3131021130 is an abundant number, since it is smaller than the sum of its proper divisors (4383429654).

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

3131021130 is a wasteful number, since it uses less digits than its factorization.

3131021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104367381.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3131021130 is about 55955.5281451261. The cubic root of 3131021130 is about 1462.9472475363.

Adding to 3131021130 its reverse (311201313), we get a palindrome (3442222443).

The spelling of 3131021130 in words is "three billion, one hundred thirty-one million, twenty-one thousand, one hundred thirty".