310430420120 has 64 divisors (see below), whose sum is σ = 721355120640. Its totient is φ = 120107376000.

The previous prime is 310430420117. The next prime is 310430420177. The reversal of 310430420120 is 21024034013.

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

It is a junction number, because it is equal to n+sod(n) for n = 310430420092 and 310430420101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497445 + ... + 2618795.

It is an arithmetic number, because the mean of its divisors is an integer number (11271173760).

Almost surely, 2^310430420120 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 310430420120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360677560320).

310430420120 is an abundant number, since it is smaller than the sum of its proper divisors (410924700520).

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

310430420120 is a wasteful number, since it uses less digits than its factorization.

310430420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123456 (or 123452 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 310430420120 its reverse (21024034013), we get a palindrome (331454454133).

The spelling of 310430420120 in words is "three hundred ten billion, four hundred thirty million, four hundred twenty thousand, one hundred twenty".