3131480837 has 4 divisors (see below), whose sum is σ = 3133682880. Its totient is φ = 3129278796.

The previous prime is 3131480831. The next prime is 3131480851. The reversal of 3131480837 is 7380841313.

3131480837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131480837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131480837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131480831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098887 + ... + 1101732.

It is an arithmetic number, because the mean of its divisors is an integer number (783420720).

Almost surely, 2^3131480837 is an apocalyptic number.

It is an amenable number.

3131480837 is a deficient number, since it is larger than the sum of its proper divisors (2202043).

3131480837 is a wasteful number, since it uses less digits than its factorization.

3131480837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202042.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 3131480837 is about 55959.6357833037. The cubic root of 3131480837 is about 1463.0188423027.

The spelling of 3131480837 in words is "three billion, one hundred thirty-one million, four hundred eighty thousand, eight hundred thirty-seven".