30988170452 has 24 divisors (see below), whose sum is σ = 58392472320. Its totient is φ = 14335502720.

The previous prime is 30988170361. The next prime is 30988170481. The reversal of 30988170452 is 25407188903.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30988170397 and 30988170406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3857924 + ... + 3865947.

It is an arithmetic number, because the mean of its divisors is an integer number (2433019680).

Almost surely, 2^30988170452 is an apocalyptic number.

It is an amenable number.

30988170452 is a deficient number, since it is larger than the sum of its proper divisors (27404301868).

30988170452 is a wasteful number, since it uses less digits than its factorization.

30988170452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723951 (or 7723949 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 30988170452 in words is "thirty billion, nine hundred eighty-eight million, one hundred seventy thousand, four hundred fifty-two".