131421012162 has 16 divisors (see below), whose sum is σ = 286736753952. Its totient is φ = 39824549120.

The previous prime is 131421012133. The next prime is 131421012169. The reversal of 131421012162 is 261210124131.

It is not an unprimeable number, because it can be changed into a prime (131421012169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995613663 + ... + 995613794.

It is an arithmetic number, because the mean of its divisors is an integer number (17921047122).

Almost surely, 2^131421012162 is an apocalyptic number.

131421012162 is an abundant number, since it is smaller than the sum of its proper divisors (155315741790).

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

131421012162 is a wasteful number, since it uses less digits than its factorization.

131421012162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991227473.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 131421012162 its reverse (261210124131), we get a palindrome (392631136293).

The spelling of 131421012162 in words is "one hundred thirty-one billion, four hundred twenty-one million, twelve thousand, one hundred sixty-two".