30993516115400 has 48 divisors (see below), whose sum is σ = 72078995242800. Its totient is φ = 12394125538880.

The previous prime is 30993516115351. The next prime is 30993516115403. The reversal of 30993516115400 is 451161539903.

It is a super-2 number, since 2×30993516115400² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30993516115403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19747982 + ... + 21259581.

It is an arithmetic number, because the mean of its divisors is an integer number (1501645734225).

Almost surely, 2^{30993516115400} is an apocalyptic number.

It is an amenable number.

30993516115400 is an abundant number, since it is smaller than the sum of its proper divisors (41085479127400).

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

30993516115400 is a wasteful number, since it uses less digits than its factorization.

30993516115400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41011358 (or 41011349 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 47.

The spelling of 30993516115400 in words is "thirty trillion, nine hundred ninety-three billion, five hundred sixteen million, one hundred fifteen thousand, four hundred".