30440113231 has 16 divisors (see below), whose sum is σ = 34536637440. Its totient is φ = 26584066080.

The previous prime is 30440113183. The next prime is 30440113259. The reversal of 30440113231 is 13231104403.

It is not a de Polignac number, because 30440113231 - 2¹³ = 30440105039 is a prime.

It is a super-2 number, since 2×30440113231² (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 (30440113931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441211 + ... + 505516.

It is an arithmetic number, because the mean of its divisors is an integer number (2158539840).

Almost surely, 2^30440113231 is an apocalyptic number.

30440113231 is a deficient number, since it is larger than the sum of its proper divisors (4096524209).

30440113231 is a wasteful number, since it uses less digits than its factorization.

30440113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946854.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30440113231 its reverse (13231104403), we get a palindrome (43671217634).

The spelling of 30440113231 in words is "thirty billion, four hundred forty million, one hundred thirteen thousand, two hundred thirty-one".