13531151442 has 16 divisors (see below), whose sum is σ = 27404864640. Its totient is φ = 4453290192.

The previous prime is 13531151429. The next prime is 13531151471. The reversal of 13531151442 is 24415113531.

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, 14272893 + ... + 14273840.

It is an arithmetic number, because the mean of its divisors is an integer number (1712804040).

Almost surely, 2^13531151442 is an apocalyptic number.

13531151442 is an abundant number, since it is smaller than the sum of its proper divisors (13873713198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531151442 is a wasteful number, since it uses less digits than its factorization.

13531151442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28546817.

The product of its digits is 7200, while the sum is 30.

Adding to 13531151442 its reverse (24415113531), we get a palindrome (37946264973).

The spelling of 13531151442 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-one thousand, four hundred forty-two".