213131153460 has 96 divisors (see below), whose sum is σ = 598718736000. Its totient is φ = 56649420288.

The previous prime is 213131153453. The next prime is 213131153467. The reversal of 213131153460 is 64351131312.

213131153460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213131153453) and next prime (213131153467).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213131153467) 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 31 ways as a sum of consecutive naturals, for example, 26253322 + ... + 26261438.

It is an arithmetic number, because the mean of its divisors is an integer number (6236653500).

Almost surely, 2^213131153460 is an apocalyptic number.

213131153460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213131153460 is an abundant number, since it is smaller than the sum of its proper divisors (385587582540).

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

213131153460 is a wasteful number, since it uses less digits than its factorization.

213131153460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505 (or 9503 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 213131153460 its reverse (64351131312), we get a palindrome (277482284772).

The spelling of 213131153460 in words is "two hundred thirteen billion, one hundred thirty-one million, one hundred fifty-three thousand, four hundred sixty".