131233154142 has 16 divisors (see below), whose sum is σ = 262474807680. Its totient is φ = 43742968152.

The previous prime is 131233154123. The next prime is 131233154167. The reversal of 131233154142 is 241451332131.

It is a congruent number.

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, 143808 + ... + 532115.

It is an arithmetic number, because the mean of its divisors is an integer number (16404675480).

Almost surely, 2^131233154142 is an apocalyptic number.

131233154142 is an abundant number, since it is smaller than the sum of its proper divisors (131241653538).

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

131233154142 is a wasteful number, since it uses less digits than its factorization.

131233154142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708287.

The product of its digits is 8640, while the sum is 30.

Adding to 131233154142 its reverse (241451332131), we get a palindrome (372684486273).

The spelling of 131233154142 in words is "one hundred thirty-one billion, two hundred thirty-three million, one hundred fifty-four thousand, one hundred forty-two".