131112120523 has 8 divisors (see below), whose sum is σ = 132439903200. Its totient is φ = 129791027520.

The previous prime is 131112120437. The next prime is 131112120551. The reversal of 131112120523 is 325021211131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131112120523 - 2¹³ = 131112112331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131112120494 and 131112120503.

It is not an unprimeable number, because it can be changed into a prime (131112120823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633018 + ... + 1711423.

It is an arithmetic number, because the mean of its divisors is an integer number (16554987900).

Almost surely, 2^131112120523 is an apocalyptic number.

131112120523 is a deficient number, since it is larger than the sum of its proper divisors (1327782677).

131112120523 is a wasteful number, since it uses less digits than its factorization.

131112120523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344837.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 131112120523 its reverse (325021211131), we get a palindrome (456133331654).

The spelling of 131112120523 in words is "one hundred thirty-one billion, one hundred twelve million, one hundred twenty thousand, five hundred twenty-three".