30311431413 has 4 divisors (see below), whose sum is σ = 40415241888. Its totient is φ = 20207620940.

The previous prime is 30311431349. The next prime is 30311431421. The reversal of 30311431413 is 31413411303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30311431413 - 2⁶ = 30311431349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311431013) 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, 5051905233 + ... + 5051905238.

It is an arithmetic number, because the mean of its divisors is an integer number (10103810472).

Almost surely, 2^30311431413 is an apocalyptic number.

It is an amenable number.

30311431413 is a deficient number, since it is larger than the sum of its proper divisors (10103810475).

30311431413 is a wasteful number, since it uses less digits than its factorization.

30311431413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10103810474.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30311431413 its reverse (31413411303), we get a palindrome (61724842716).

The spelling of 30311431413 in words is "thirty billion, three hundred eleven million, four hundred thirty-one thousand, four hundred thirteen".