30993516115402 has 8 divisors (see below), whose sum is σ = 46498762463076. Its totient is φ = 15493928627712.

The previous prime is 30993516115351. The next prime is 30993516115403. The reversal of 30993516115402 is 20451161539903.

It can be written as a sum of positive squares in 2 ways, for example, as 18114310600281 + 12879205515121 = 4256091^2 + 3588761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1414701303 + ... + 1414723210.

Almost surely, 2^{30993516115402} is an apocalyptic number.

30993516115402 is a deficient number, since it is larger than the sum of its proper divisors (15505246347674).

30993516115402 is a wasteful number, since it uses less digits than its factorization.

30993516115402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829429992.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 30993516115402 in words is "thirty trillion, nine hundred ninety-three billion, five hundred sixteen million, one hundred fifteen thousand, four hundred two".