2131162101404 has 24 divisors (see below), whose sum is σ = 4262362890240. Its totient is φ = 913346896176.

The previous prime is 2131162101349. The next prime is 2131162101461. The reversal of 2131162101404 is 4041012611312.

It is a congruent number.

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, 3575237 + ... + 4128515.

It is an arithmetic number, because the mean of its divisors is an integer number (177598453760).

Almost surely, 2^{2131162101404} is an apocalyptic number.

It is an amenable number.

2131162101404 is an abundant number, since it is smaller than the sum of its proper divisors (2131200788836).

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

2131162101404 is a wasteful number, since it uses less digits than its factorization.

2131162101404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690857 (or 690855 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 2131162101404 its reverse (4041012611312), we get a palindrome (6172174712716).

The spelling of 2131162101404 in words is "two trillion, one hundred thirty-one billion, one hundred sixty-two million, one hundred one thousand, four hundred four".