2131362156 has 192 divisors, whose sum is σ = 6343142400. Its totient is φ = 541040640.

The previous prime is 2131362113. The next prime is 2131362169. The reversal of 2131362156 is 6512631312.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14304370 + ... + 14304518.

It is an arithmetic number, because the mean of its divisors is an integer number (33037200).

Almost surely, 2^2131362156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131362156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3171571200).

2131362156 is an abundant number, since it is smaller than the sum of its proper divisors (4211780244).

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

2131362156 is a wasteful number, since it uses less digits than its factorization.

2131362156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 422 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 2131362156 is about 46166.6779831514. The cubic root of 2131362156 is about 1286.9225675460.

Adding to 2131362156 its reverse (6512631312), we get a palindrome (8643993468).

The spelling of 2131362156 in words is "two billion, one hundred thirty-one million, three hundred sixty-two thousand, one hundred fifty-six".