30987314687 has 8 divisors (see below), whose sum is σ = 35555167872. Its totient is φ = 26454735000.

The previous prime is 30987314669. The next prime is 30987314747. The reversal of 30987314687 is 78641378903.

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 30987314687 - 2⁶ = 30987314623 is a prime.

It is a super-2 number, since 2×30987314687² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30987314647) 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, 8816489 + ... + 8820002.

It is an arithmetic number, because the mean of its divisors is an integer number (4444395984).

Almost surely, 2^30987314687 is an apocalyptic number.

30987314687 is a deficient number, since it is larger than the sum of its proper divisors (4567853185).

30987314687 is a wasteful number, since it uses less digits than its factorization.

30987314687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17636749.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 30987314687 in words is "thirty billion, nine hundred eighty-seven million, three hundred fourteen thousand, six hundred eighty-seven".