131123321302 has 16 divisors (see below), whose sum is σ = 204715502640. Its totient is φ = 62912560032.

The previous prime is 131123321257. The next prime is 131123321311. The reversal of 131123321302 is 203123321131.

It is a super-3 number, since 3×131123321302³ (a number of 34 digits) contains 333 as substring.

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, 6925353 + ... + 6944260.

It is an arithmetic number, because the mean of its divisors is an integer number (12794718915).

Almost surely, 2^131123321302 is an apocalyptic number.

131123321302 is a deficient number, since it is larger than the sum of its proper divisors (73592181338).

131123321302 is a wasteful number, since it uses less digits than its factorization.

131123321302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13869807.

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

Adding to 131123321302 its reverse (203123321131), we get a palindrome (334246642433).

The spelling of 131123321302 in words is "one hundred thirty-one billion, one hundred twenty-three million, three hundred twenty-one thousand, three hundred two".