3131014140 has 72 divisors (see below), whose sum is σ = 9591499008. Its totient is φ = 826665600.

The previous prime is 3131014097. The next prime is 3131014141. The reversal of 3131014140 is 414101313.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131014141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67932 + ... + 104291.

It is an arithmetic number, because the mean of its divisors is an integer number (133215264).

Almost surely, 2^3131014140 is an apocalyptic number.

3131014140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3131014140 is an abundant number, since it is smaller than the sum of its proper divisors (6460484868).

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

3131014140 is a wasteful number, since it uses less digits than its factorization.

3131014140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172339 (or 172334 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3131014140 is about 55955.4656847747. The cubic root of 3131014140 is about 1462.9461588597.

Adding to 3131014140 its reverse (414101313), we get a palindrome (3545115453).

The spelling of 3131014140 in words is "three billion, one hundred thirty-one million, fourteen thousand, one hundred forty".