1331234231142 has 32 divisors (see below), whose sum is σ = 2688944615424. Its totient is φ = 439332428000.

The previous prime is 1331234231137. The next prime is 1331234231153. The reversal of 1331234231142 is 2411324321331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26269633 + ... + 26320259.

It is an arithmetic number, because the mean of its divisors is an integer number (84029519232).

Almost surely, 2^{1331234231142} is an apocalyptic number.

1331234231142 is an abundant number, since it is smaller than the sum of its proper divisors (1357710384282).

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

1331234231142 is a wasteful number, since it uses less digits than its factorization.

1331234231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94124.

The product of its digits is 10368, while the sum is 30.

Adding to 1331234231142 its reverse (2411324321331), we get a palindrome (3742558552473).

The spelling of 1331234231142 in words is "one trillion, three hundred thirty-one billion, two hundred thirty-four million, two hundred thirty-one thousand, one hundred forty-two".