213136631312 has 40 divisors (see below), whose sum is σ = 450622949952. Its totient is φ = 96852412800.

The previous prime is 213136631299. The next prime is 213136631339.

213136631312 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445478 + ... + 790394.

Almost surely, 2^213136631312 is an apocalyptic number.

213136631312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213136631312 is an abundant number, since it is smaller than the sum of its proper divisors (237486318640).

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

213136631312 is a wasteful number, since it uses less digits than its factorization.

213136631312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348447 (or 348441 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

It can be divided in two parts, 213136 and 631312, that added together give a palindrome (844448).

The spelling of 213136631312 in words is "two hundred thirteen billion, one hundred thirty-six million, six hundred thirty-one thousand, three hundred twelve".