2101132131 has 32 divisors (see below), whose sum is σ = 3264883200. Its totient is φ = 1177075200.

The previous prime is 2101132097. The next prime is 2101132139. The reversal of 2101132131 is 1312311012.

It is a happy number.

It is not a de Polignac number, because 2101132131 - 2⁷ = 2101132003 is a prime.

It is a super-2 number, since 2×2101132131² = 8829512463841202322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2101132131.

It is not an unprimeable number, because it can be changed into a prime (2101132139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494725 + ... + 498953.

It is an arithmetic number, because the mean of its divisors is an integer number (102027600).

Almost surely, 2^2101132131 is an apocalyptic number.

2101132131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2101132131 is a deficient number, since it is larger than the sum of its proper divisors (1163751069).

2101132131 is a wasteful number, since it uses less digits than its factorization.

2101132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2101132131 is about 45838.1078470741. The cubic root of 2101132131 is about 1280.8092479903.

Adding to 2101132131 its reverse (1312311012), we get a palindrome (3413443143).

The spelling of 2101132131 in words is "two billion, one hundred one million, one hundred thirty-two thousand, one hundred thirty-one".