31022094768 has 160 divisors (see below), whose sum is σ = 97521615360. Its totient is φ = 8295198720.

The previous prime is 31022094749. The next prime is 31022094781. The reversal of 31022094768 is 86749022013.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1007278 + ... + 1037618.

It is an arithmetic number, because the mean of its divisors is an integer number (609510096).

Almost surely, 2^31022094768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31022094768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48760807680).

31022094768 is an abundant number, since it is smaller than the sum of its proper divisors (66499520592).

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

31022094768 is a wasteful number, since it uses less digits than its factorization.

31022094768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30555 (or 30549 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 31022094768 in words is "thirty-one billion, twenty-two million, ninety-four thousand, seven hundred sixty-eight".