20115053131 has 8 divisors (see below), whose sum is σ = 20265644000. Its totient is φ = 19964957760.

The previous prime is 20115053099. The next prime is 20115053141. The reversal of 20115053131 is 13135051102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20115053131 - 2⁵ = 20115053099 is a prime.

It is a super-2 number, since 2×20115053131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20115053141) 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, 42180 + ... + 204961.

It is an arithmetic number, because the mean of its divisors is an integer number (2533205500).

Almost surely, 2^20115053131 is an apocalyptic number.

20115053131 is a deficient number, since it is larger than the sum of its proper divisors (150590869).

20115053131 is a wasteful number, since it uses less digits than its factorization.

20115053131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247749.

The product of its (nonzero) digits is 450, while the sum is 22.

The spelling of 20115053131 in words is "twenty billion, one hundred fifteen million, fifty-three thousand, one hundred thirty-one".