2131066431 has 12 divisors (see below), whose sum is σ = 3314992408. Its totient is φ = 1311425424.

The previous prime is 2131066411. The next prime is 2131066481. The reversal of 2131066431 is 1346601312.

2131066431 is a `hidden beast` number, since 2 + 1 + 3 + 10 + 6 + 643 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2131066431 is a prime.

It is a super-2 number, since 2×2131066431² = 9082888266670155522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131066395 and 2131066404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131066411) 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, 9107005 + ... + 9107238.

Almost surely, 2^2131066431 is an apocalyptic number.

2131066431 is a deficient number, since it is larger than the sum of its proper divisors (1183925977).

2131066431 is a wasteful number, since it uses less digits than its factorization.

2131066431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18214262 (or 18214259 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2131066431 is about 46163.4750749984. The cubic root of 2131066431 is about 1286.8630449260.

Adding to 2131066431 its reverse (1346601312), we get a palindrome (3477667743).

The spelling of 2131066431 in words is "two billion, one hundred thirty-one million, sixty-six thousand, four hundred thirty-one".