31455553434 has 32 divisors (see below), whose sum is σ = 65829335040. Its totient is φ = 10001354352.

The previous prime is 31455553433. The next prime is 31455553483. The reversal of 31455553434 is 43435555413.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31455553433) 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, 267922 + ... + 367005.

It is an arithmetic number, because the mean of its divisors is an integer number (2057166720).

Almost surely, 2^31455553434 is an apocalyptic number.

31455553434 is an abundant number, since it is smaller than the sum of its proper divisors (34373781606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31455553434 is a wasteful number, since it uses less digits than its factorization.

31455553434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635314.

The product of its digits is 1080000, while the sum is 42.

The spelling of 31455553434 in words is "thirty-one billion, four hundred fifty-five million, five hundred fifty-three thousand, four hundred thirty-four".