30431011431 has 16 divisors (see below), whose sum is σ = 42348549600. Its totient is φ = 19419079680.

The previous prime is 30431011423. The next prime is 30431011447. The reversal of 30431011431 is 13411013403.

It is not a de Polignac number, because 30431011431 - 2³ = 30431011423 is a prime.

It is a super-2 number, since 2×30431011431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30431011398 and 30431011407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431011411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2327506 + ... + 2340543.

It is an arithmetic number, because the mean of its divisors is an integer number (2646784350).

Almost surely, 2^30431011431 is an apocalyptic number.

30431011431 is a deficient number, since it is larger than the sum of its proper divisors (11917538169).

30431011431 is a wasteful number, since it uses less digits than its factorization.

30431011431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668146.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30431011431 its reverse (13411013403), we get a palindrome (43842024834).

The spelling of 30431011431 in words is "thirty billion, four hundred thirty-one million, eleven thousand, four hundred thirty-one".