31486166371 has 6 divisors (see below), whose sum is σ = 34608761516. Its totient is φ = 28623787500.

The previous prime is 31486166339. The next prime is 31486166381. The reversal of 31486166371 is 17366168413.

It is not a de Polignac number, because 31486166371 - 2⁵ = 31486166339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31486166381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130108005 + ... + 130108246.

Almost surely, 2^31486166371 is an apocalyptic number.

31486166371 is a deficient number, since it is larger than the sum of its proper divisors (3122595145).

31486166371 is a wasteful number, since it uses less digits than its factorization.

31486166371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260216273 (or 260216262 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The spelling of 31486166371 in words is "thirty-one billion, four hundred eighty-six million, one hundred sixty-six thousand, three hundred seventy-one".