11431254530 has 16 divisors (see below), whose sum is σ = 20652754680. Its totient is φ = 4555502592.

The previous prime is 11431254511. The next prime is 11431254577. The reversal of 11431254530 is 3545213411.

It can be written as a sum of positive squares in 4 ways, for example, as 2309667481 + 9121587049 = 48059^2 + 95507^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11431254493 and 11431254502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122079 + ... + 2127458.

Almost surely, 2^11431254530 is an apocalyptic number.

11431254530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11431254530 is a deficient number, since it is larger than the sum of its proper divisors (9221500150).

11431254530 is a wasteful number, since it uses less digits than its factorization.

11431254530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249813.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 11431254530 its reverse (3545213411), we get a palindrome (14976467941).

The spelling of 11431254530 in words is "eleven billion, four hundred thirty-one million, two hundred fifty-four thousand, five hundred thirty".