30231980 has 12 divisors (see below), whose sum is σ = 63487200. Its totient is φ = 12092784.

The previous prime is 30231977. The next prime is 30231991. The reversal of 30231980 is 8913203.

It is a super-2 number, since 2×30231980² = 1827945229440800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755780 + ... + 755819.

It is an arithmetic number, because the mean of its divisors is an integer number (5290600).

Almost surely, 2^30231980 is an apocalyptic number.

It is an amenable number.

30231980 is an abundant number, since it is smaller than the sum of its proper divisors (33255220).

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

30231980 is a wasteful number, since it uses less digits than its factorization.

30231980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511608 (or 1511606 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 30231980 is about 5498.3615741419. The cubic root of 30231980 is about 311.5221014783.

The spelling of 30231980 in words is "thirty million, two hundred thirty-one thousand, nine hundred eighty".