31077147662000 has 160 divisors (see below), whose sum is σ = 81984330792000. Its totient is φ = 11299613952000.

The previous prime is 31077147661999. The next prime is 31077147662009. The reversal of 31077147662000 is 26674177013.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (31077147662009) 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, 229370276 + ... + 229505724.

It is an arithmetic number, because the mean of its divisors is an integer number (512402067450).

Almost surely, 2^{31077147662000} 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 31077147662000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40992165396000).

31077147662000 is an abundant number, since it is smaller than the sum of its proper divisors (50907183130000).

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

31077147662000 is a wasteful number, since it uses less digits than its factorization.

31077147662000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145912 (or 145896 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 31077147662000 in words is "thirty-one trillion, seventy-seven billion, one hundred forty-seven million, six hundred sixty-two thousand".