31406057717671 has 32 divisors (see below), whose sum is σ = 41798146037760. Its totient is φ = 22889460819456.

The previous prime is 31406057717609. The next prime is 31406057717681. The reversal of 31406057717671 is 17671775060413.

It is not a de Polignac number, because 31406057717671 - 2⁹ = 31406057717159 is a prime.

It is a super-2 number, since 2×31406057717671² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31406057717681) 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, 215898201 + ... + 216043618.

It is an arithmetic number, because the mean of its divisors is an integer number (1306192063680).

Almost surely, 2^{31406057717671} is an apocalyptic number.

31406057717671 is a deficient number, since it is larger than the sum of its proper divisors (10392088320089).

31406057717671 is a wasteful number, since it uses less digits than its factorization.

31406057717671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431941903.

The product of its (nonzero) digits is 5186160, while the sum is 55.

The spelling of 31406057717671 in words is "thirty-one trillion, four hundred six billion, fifty-seven million, seven hundred seventeen thousand, six hundred seventy-one".