31057641189 has 12 divisors (see below), whose sum is σ = 46522557536. Its totient is φ = 20705093964.

The previous prime is 31057641187. The next prime is 31057641211. The reversal of 31057641189 is 98114675013.

31057641189 is a `hidden beast` number, since 31 + 0 + 576 + 41 + 1 + 8 + 9 = 666.

It is not a de Polignac number, because 31057641189 - 2¹ = 31057641187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31057641187) 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, 63904369 + ... + 63904854.

Almost surely, 2^31057641189 is an apocalyptic number.

It is an amenable number.

31057641189 is a deficient number, since it is larger than the sum of its proper divisors (15464916347).

31057641189 is an equidigital number, since it uses as much as digits as its factorization.

31057641189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127809238 (or 127809226 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 31057641189 in words is "thirty-one billion, fifty-seven million, six hundred forty-one thousand, one hundred eighty-nine".