346031431780 has 192 divisors, whose sum is σ = 813439065600. Its totient is φ = 123050188800.

The previous prime is 346031431763. The next prime is 346031431793. The reversal of 346031431780 is 87134130643.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99747886 + ... + 99751354.

It is an arithmetic number, because the mean of its divisors is an integer number (4236661800).

Almost surely, 2^346031431780 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 346031431780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406719532800).

346031431780 is an abundant number, since it is smaller than the sum of its proper divisors (467407633820).

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

346031431780 is a wasteful number, since it uses less digits than its factorization.

346031431780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734 (or 3732 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 346031431780 in words is "three hundred forty-six billion, thirty-one million, four hundred thirty-one thousand, seven hundred eighty".