31452313577 has 4 divisors (see below), whose sum is σ = 31645272720. Its totient is φ = 31259354436.

The previous prime is 31452313507. The next prime is 31452313583. The reversal of 31452313577 is 77531325413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31452313577 - 2¹² = 31452309481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31452313507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96479327 + ... + 96479652.

It is an arithmetic number, because the mean of its divisors is an integer number (7911318180).

Almost surely, 2^31452313577 is an apocalyptic number.

It is an amenable number.

31452313577 is a deficient number, since it is larger than the sum of its proper divisors (192959143).

31452313577 is a wasteful number, since it uses less digits than its factorization.

31452313577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192959142.

The product of its digits is 264600, while the sum is 41.

The spelling of 31452313577 in words is "thirty-one billion, four hundred fifty-two million, three hundred thirteen thousand, five hundred seventy-seven".