30531314519 has 4 divisors (see below), whose sum is σ = 30558846120. Its totient is φ = 30503782920.

The previous prime is 30531314507. The next prime is 30531314549. The reversal of 30531314519 is 91541313503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30531314519 - 2¹⁶ = 30531248983 is a prime.

It is a super-2 number, since 2×30531314519² (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 (30531314549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13764137 + ... + 13766354.

It is an arithmetic number, because the mean of its divisors is an integer number (7639711530).

Almost surely, 2^30531314519 is an apocalyptic number.

30531314519 is a deficient number, since it is larger than the sum of its proper divisors (27531601).

30531314519 is a wasteful number, since it uses less digits than its factorization.

30531314519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27531600.

The product of its (nonzero) digits is 24300, while the sum is 35.

The spelling of 30531314519 in words is "thirty billion, five hundred thirty-one million, three hundred fourteen thousand, five hundred nineteen".