30780087431 has 8 divisors (see below), whose sum is σ = 31135984560. Its totient is φ = 30424413888.

The previous prime is 30780087383. The next prime is 30780087463. The reversal of 30780087431 is 13478008703.

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 30780087431 - 2²⁶ = 30712978567 is a prime.

It is a super-2 number, since 2×30780087431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30780087491) 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, 229385 + ... + 337901.

It is an arithmetic number, because the mean of its divisors is an integer number (3891998070).

Almost surely, 2^30780087431 is an apocalyptic number.

30780087431 is a deficient number, since it is larger than the sum of its proper divisors (355897129).

30780087431 is a wasteful number, since it uses less digits than its factorization.

30780087431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111793.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 30780087431 in words is "thirty billion, seven hundred eighty million, eighty-seven thousand, four hundred thirty-one".