30724942319 has 16 divisors (see below), whose sum is σ = 32251685760. Its totient is φ = 29245666560.

The previous prime is 30724942307. The next prime is 30724942331. The reversal of 30724942319 is 91324942703.

It is an interprime number because it is at equal distance from previous prime (30724942307) and next prime (30724942331).

It is a cyclic number.

It is not a de Polignac number, because 30724942319 - 2²⁰ = 30723893743 is a prime.

It is a super-2 number, since 2×30724942319² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30724942319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30724942019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194957 + ... + 315369.

It is an arithmetic number, because the mean of its divisors is an integer number (2015730360).

Almost surely, 2^30724942319 is an apocalyptic number.

30724942319 is a deficient number, since it is larger than the sum of its proper divisors (1526743441).

30724942319 is a wasteful number, since it uses less digits than its factorization.

30724942319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120610.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 30724942319 in words is "thirty billion, seven hundred twenty-four million, nine hundred forty-two thousand, three hundred nineteen".