31464561814 has 16 divisors (see below), whose sum is σ = 55086893568. Its totient is φ = 13197901032.

The previous prime is 31464561797. The next prime is 31464561827. The reversal of 31464561814 is 41816546413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23908584 + ... + 23909899.

It is an arithmetic number, because the mean of its divisors is an integer number (3442930848).

Almost surely, 2^31464561814 is an apocalyptic number.

31464561814 is a deficient number, since it is larger than the sum of its proper divisors (23622331754).

31464561814 is a wasteful number, since it uses less digits than its factorization.

31464561814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47818539.

The product of its digits is 276480, while the sum is 43.

The spelling of 31464561814 in words is "thirty-one billion, four hundred sixty-four million, five hundred sixty-one thousand, eight hundred fourteen".