34312520000 has 140 divisors (see below), whose sum is σ = 92819988096. Its totient is φ = 12477120000.

The previous prime is 34312519991. The next prime is 34312520003. The reversal of 34312520000 is 2521343.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34312520003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 401009 + ... + 478991.

Almost surely, 2^34312520000 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 34312520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46409994048).

34312520000 is an abundant number, since it is smaller than the sum of its proper divisors (58507468096).

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

34312520000 is an equidigital number, since it uses as much as digits as its factorization.

34312520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78026 (or 78001 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The spelling of 34312520000 in words is "thirty-four billion, three hundred twelve million, five hundred twenty thousand".