213631136312 has 32 divisors (see below), whose sum is σ = 437312012400. Its totient is φ = 97029676800.

The previous prime is 213631136291. The next prime is 213631136339.

213631136312 is nontrivially palindromic in base 10.

213631136312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213631136312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 828239 + ... + 1055102.

Almost surely, 2^213631136312 is an apocalyptic number.

213631136312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213631136312 is an abundant number, since it is smaller than the sum of its proper divisors (223680876088).

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

213631136312 is a wasteful number, since it uses less digits than its factorization.

213631136312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884647 (or 1884643 counting only the distinct ones).

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

It can be divided in two parts, 213631 and 136312, that added together give a palindrome (349943).

The spelling of 213631136312 in words is "two hundred thirteen billion, six hundred thirty-one million, one hundred thirty-six thousand, three hundred twelve".