31032145144068 has 96 divisors (see below), whose sum is σ = 76738986842112. Its totient is φ = 9740309779200.

The previous prime is 31032145144019. The next prime is 31032145144069. The reversal of 31032145144068 is 86044154123013.

It is not an unprimeable number, because it can be changed into a prime (31032145144069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4026753 + ... + 8847543.

It is an arithmetic number, because the mean of its divisors is an integer number (799364446272).

Almost surely, 2^{31032145144068} 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 31032145144068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38369493421056).

31032145144068 is an abundant number, since it is smaller than the sum of its proper divisors (45706841698044).

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

31032145144068 is a wasteful number, since it uses less digits than its factorization.

31032145144068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821185 (or 4821183 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 31032145144068 in words is "thirty-one trillion, thirty-two billion, one hundred forty-five million, one hundred forty-four thousand, sixty-eight".