30690982471 has 8 divisors (see below), whose sum is σ = 31128780800. Its totient is φ = 30254416920.

The previous prime is 30690982451. The next prime is 30690982507. The reversal of 30690982471 is 17428909603.

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 30690982471 - 2²¹ = 30688885319 is a prime.

It is a super-3 number, since 3×30690982471³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30690982451) 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, 257991 + ... + 357688.

It is an arithmetic number, because the mean of its divisors is an integer number (3891097600).

Almost surely, 2^30690982471 is an apocalyptic number.

30690982471 is a deficient number, since it is larger than the sum of its proper divisors (437798329).

30690982471 is an equidigital number, since it uses as much as digits as its factorization.

30690982471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616389.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 30690982471 in words is "thirty billion, six hundred ninety million, nine hundred eighty-two thousand, four hundred seventy-one".