3151145620 has 48 divisors (see below), whose sum is σ = 7566588288. Its totient is φ = 1079844480.

The previous prime is 3151145617. The next prime is 3151145671. The reversal of 3151145620 is 265411513.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349894 + ... + 358786.

It is an arithmetic number, because the mean of its divisors is an integer number (157637256).

Almost surely, 2^3151145620 is an apocalyptic number.

It is an amenable number.

3151145620 is an abundant number, since it is smaller than the sum of its proper divisors (4415442668).

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

3151145620 is a wasteful number, since it uses less digits than its factorization.

3151145620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440 (or 11438 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 3151145620 is about 56135.0658679581. The cubic root of 3151145620 is about 1466.0748975146.

The spelling of 3151145620 in words is "three billion, one hundred fifty-one million, one hundred forty-five thousand, six hundred twenty".