31230604405000 has 640 divisors, whose sum is σ = 99221022109440. Its totient is φ = 8896320000000.

The previous prime is 31230604404997. The next prime is 31230604405037. The reversal of 31230604405000 is 50440603213.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 31230604405000.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 505474110 + ... + 505535890.

It is an arithmetic number, because the mean of its divisors is an integer number (155032847046).

Almost surely, 2^{31230604405000} 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 31230604405000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49610511054720).

31230604405000 is an abundant number, since it is smaller than the sum of its proper divisors (67990417704440).

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

31230604405000 is a wasteful number, since it uses less digits than its factorization.

31230604405000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61939 (or 61920 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 31230604405000 in words is "thirty-one trillion, two hundred thirty billion, six hundred four million, four hundred five thousand".