2131000032320 has 28 divisors (see below), whose sum is σ = 5074443827724. Its totient is φ = 852400012800.

The previous prime is 2131000032307. The next prime is 2131000032349. The reversal of 2131000032320 is 232300001312.

It can be written as a sum of positive squares in 2 ways, for example, as 721385230336 + 1409614801984 = 849344^2 + 1187272^2 .

It is a super-2 number, since 2×2131000032320² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329687231 + ... + 3329687870.

Almost surely, 2^{2131000032320} is an apocalyptic number.

2131000032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131000032320 is an abundant number, since it is smaller than the sum of its proper divisors (2943443795404).

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

2131000032320 is an equidigital number, since it uses as much as digits as its factorization.

2131000032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659375118 (or 6659375108 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2131000032320 its reverse (232300001312), we get a palindrome (2363300033632).

The spelling of 2131000032320 in words is "two trillion, one hundred thirty-one billion, thirty-two thousand, three hundred twenty".