131334235412 has 12 divisors (see below), whose sum is σ = 229851250356. Its totient is φ = 65662449600.

The previous prime is 131334235399. The next prime is 131334235453. The reversal of 131334235412 is 214532433131.

It can be written as a sum of positive squares in 2 ways, for example, as 85676802436 + 45657432976 = 292706^2 + 213676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103339 + ... + 1216562.

It is an arithmetic number, because the mean of its divisors is an integer number (19154270863).

Almost surely, 2^131334235412 is an apocalyptic number.

It is an amenable number.

131334235412 is a deficient number, since it is larger than the sum of its proper divisors (98517014944).

131334235412 is a wasteful number, since it uses less digits than its factorization.

131334235412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334058 (or 2334056 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

Adding to 131334235412 its reverse (214532433131), we get a palindrome (345866668543).

The spelling of 131334235412 in words is "one hundred thirty-one billion, three hundred thirty-four million, two hundred thirty-five thousand, four hundred twelve".