31545453122 has 8 divisors (see below), whose sum is σ = 48844572672. Its totient is φ = 15263928900.

The previous prime is 31545453103. The next prime is 31545453139. The reversal of 31545453122 is 22135454513.

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

It is a super-2 number, since 2×31545453122² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254398754 + ... + 254398877.

It is an arithmetic number, because the mean of its divisors is an integer number (6105571584).

Almost surely, 2^31545453122 is an apocalyptic number.

31545453122 is a deficient number, since it is larger than the sum of its proper divisors (17299119550).

31545453122 is a wasteful number, since it uses less digits than its factorization.

31545453122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508797664.

The product of its digits is 72000, while the sum is 35.

The spelling of 31545453122 in words is "thirty-one billion, five hundred forty-five million, four hundred fifty-three thousand, one hundred twenty-two".