131012321323 has 8 divisors (see below), whose sum is σ = 143752272048. Its totient is φ = 118652667744.

The previous prime is 131012321281. The next prime is 131012321359. The reversal of 131012321323 is 323123210131.

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

It is not a de Polignac number, because 131012321323 - 2²¹ = 131010224171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131012321294 and 131012321303.

It is not an unprimeable number, because it can be changed into a prime (131012321423) 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, 95073565 + ... + 95074942.

It is an arithmetic number, because the mean of its divisors is an integer number (17969034006).

Almost surely, 2^131012321323 is an apocalyptic number.

131012321323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131012321323 is a deficient number, since it is larger than the sum of its proper divisors (12739950725).

131012321323 is a wasteful number, since it uses less digits than its factorization.

131012321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190148573.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131012321323 its reverse (323123210131), we get a palindrome (454135531454).

The spelling of 131012321323 in words is "one hundred thirty-one billion, twelve million, three hundred twenty-one thousand, three hundred twenty-three".