21314630431162 has 4 divisors (see below), whose sum is σ = 31971945646746. Its totient is φ = 10657315215580.

The previous prime is 21314630431153. The next prime is 21314630431201. The reversal of 21314630431162 is 26113403641312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20073168735481 + 1241461695681 = 4480309^2 + 1114209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5328657607789 + ... + 5328657607792.

Almost surely, 2^{21314630431162} is an apocalyptic number.

21314630431162 is a deficient number, since it is larger than the sum of its proper divisors (10657315215584).

21314630431162 is a wasteful number, since it uses less digits than its factorization.

21314630431162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657315215583.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 21314630431162 in words is "twenty-one trillion, three hundred fourteen billion, six hundred thirty million, four hundred thirty-one thousand, one hundred sixty-two".