31454051028 has 24 divisors (see below), whose sum is σ = 76583777088. Its totient is φ = 10028827776.

The previous prime is 31454051023. The next prime is 31454051029. The reversal of 31454051028 is 82015045413.

It is a self number, because there is not a number n which added to its sum of digits gives 31454051028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454051023) 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, 56981701 + ... + 56982252.

It is an arithmetic number, because the mean of its divisors is an integer number (3190990712).

Almost surely, 2^31454051028 is an apocalyptic number.

It is an amenable number.

31454051028 is an abundant number, since it is smaller than the sum of its proper divisors (45129726060).

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

31454051028 is a wasteful number, since it uses less digits than its factorization.

31454051028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113963983 (or 113963981 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 31454051028 in words is "thirty-one billion, four hundred fifty-four million, fifty-one thousand, twenty-eight".