31349545453 has 8 divisors (see below), whose sum is σ = 33195312000. Its totient is φ = 29503965120.

The previous prime is 31349545441. The next prime is 31349545459. The reversal of 31349545453 is 35454594313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-31349545453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31349545459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453798 + ... + 518296.

It is an arithmetic number, because the mean of its divisors is an integer number (4149414000).

Almost surely, 2^31349545453 is an apocalyptic number.

It is an amenable number.

31349545453 is a deficient number, since it is larger than the sum of its proper divisors (1845766547).

31349545453 is a wasteful number, since it uses less digits than its factorization.

31349545453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93107.

The product of its digits is 1944000, while the sum is 46.

The spelling of 31349545453 in words is "thirty-one billion, three hundred forty-nine million, five hundred forty-five thousand, four hundred fifty-three".