30190927291 has 8 divisors (see below), whose sum is σ = 34571708640. Its totient is φ = 25827093888.

The previous prime is 30190927231. The next prime is 30190927337. The reversal of 30190927291 is 19272909103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30190927291 is a prime.

It is a super-2 number, since 2×30190927291² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30190927201) 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, 4233166 + ... + 4240291.

It is an arithmetic number, because the mean of its divisors is an integer number (4321463580).

Almost surely, 2^30190927291 is an apocalyptic number.

30190927291 is a deficient number, since it is larger than the sum of its proper divisors (4380781349).

30190927291 is an equidigital number, since it uses as much as digits as its factorization.

30190927291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473973.

The product of its (nonzero) digits is 61236, while the sum is 43.

The spelling of 30190927291 in words is "thirty billion, one hundred ninety million, nine hundred twenty-seven thousand, two hundred ninety-one".