2051270631 has 12 divisors (see below), whose sum is σ = 3035214000. Its totient is φ = 1334159520.

The previous prime is 2051270623. The next prime is 2051270681. The reversal of 2051270631 is 1360721502.

It is a happy number.

2051270631 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 27 + 0 + 631 = 666.

It is not a de Polignac number, because 2051270631 - 2³ = 2051270623 is a prime.

It is a super-2 number, since 2×2051270631² = 8415422403206276322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2051270595 and 2051270604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051270621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2779131 + ... + 2779868.

It is an arithmetic number, because the mean of its divisors is an integer number (252934500).

Almost surely, 2^2051270631 is an apocalyptic number.

2051270631 is a deficient number, since it is larger than the sum of its proper divisors (983943369).

2051270631 is a wasteful number, since it uses less digits than its factorization.

2051270631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559046 (or 5559043 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2051270631 is about 45290.9552891082. The cubic root of 2051270631 is about 1270.5964980577.

The spelling of 2051270631 in words is "two billion, fifty-one million, two hundred seventy thousand, six hundred thirty-one".