31464364547 has 16 divisors (see below), whose sum is σ = 40288526592. Its totient is φ = 23855044320.

The previous prime is 31464364543. The next prime is 31464364601. The reversal of 31464364547 is 74546346413.

It is a cyclic number.

It is not a de Polignac number, because 31464364547 - 2² = 31464364543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31464364543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5519153 + ... + 5524850.

It is an arithmetic number, because the mean of its divisors is an integer number (2518032912).

Almost surely, 2^31464364547 is an apocalyptic number.

31464364547 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

31464364547 is a deficient number, since it is larger than the sum of its proper divisors (8824162045).

31464364547 is a wasteful number, since it uses less digits than its factorization.

31464364547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11044058.

The product of its digits is 2903040, while the sum is 47.

The spelling of 31464364547 in words is "thirty-one billion, four hundred sixty-four million, three hundred sixty-four thousand, five hundred forty-seven".