30334157621 has 8 divisors (see below), whose sum is σ = 32121154584. Its totient is φ = 28547453440.

The previous prime is 30334157599. The next prime is 30334157627. The reversal of 30334157621 is 12675143303.

It can be written as a sum of positive squares in 4 ways, for example, as 18390072100 + 11944085521 = 135610^2 + 109289^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30334157621 - 2¹⁰ = 30334156597 is a prime.

It is a super-2 number, since 2×30334157621² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30334157627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161681 + ... + 294633.

It is an arithmetic number, because the mean of its divisors is an integer number (4015144323).

Almost surely, 2^30334157621 is an apocalyptic number.

It is an amenable number.

30334157621 is a deficient number, since it is larger than the sum of its proper divisors (1786996963).

30334157621 is a wasteful number, since it uses less digits than its factorization.

30334157621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146391.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 30334157621 in words is "thirty billion, three hundred thirty-four million, one hundred fifty-seven thousand, six hundred twenty-one".