10131111342 has 64 divisors (see below), whose sum is σ = 26005017600. Its totient is φ = 2889440640.

The previous prime is 10131111311. The next prime is 10131111379. The reversal of 10131111342 is 24311113101.

It is a happy number.

10131111342 is a `hidden beast` number, since 1 + 0 + 1 + 311 + 11 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491542 + ... + 511737.

It is an arithmetic number, because the mean of its divisors is an integer number (406328400).

Almost surely, 2^10131111342 is an apocalyptic number.

10131111342 is an abundant number, since it is smaller than the sum of its proper divisors (15873906258).

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

10131111342 is a wasteful number, since it uses less digits than its factorization.

10131111342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003318 (or 1003312 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10131111342 its reverse (24311113101), we get a palindrome (34442224443).

The spelling of 10131111342 in words is "ten billion, one hundred thirty-one million, one hundred eleven thousand, three hundred forty-two".