30613136 has 20 divisors (see below), whose sum is σ = 59710464. Its totient is φ = 15204000.

The previous prime is 30613129. The next prime is 30613157. The reversal of 30613136 is 63131603.

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, 3920 + ... + 8751.

Almost surely, 2^30613136 is an apocalyptic number.

It is an amenable number.

30613136 is a deficient number, since it is larger than the sum of its proper divisors (29097328).

30613136 is a wasteful number, since it uses less digits than its factorization.

30613136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12830 (or 12824 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 30613136 is about 5532.9138796840. The cubic root of 30613136 is about 312.8258310312.

Adding to 30613136 its reverse (63131603), we get a palindrome (93744739).

The spelling of 30613136 in words is "thirty million, six hundred thirteen thousand, one hundred thirty-six".