131311130303023 has 4 divisors (see below), whose sum is σ = 143248505785128. Its totient is φ = 119373754820920.

The previous prime is 131311130302981. The next prime is 131311130303027. The reversal of 131311130303023 is 320303031113131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131311130303023 - 2¹³ = 131311130294831 is a prime.

It is a super-2 number, since 2×131311130303023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311130303027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5968687741036 + ... + 5968687741057.

It is an arithmetic number, because the mean of its divisors is an integer number (35812126446282).

Almost surely, 2^{131311130303023} is an apocalyptic number.

131311130303023 is a deficient number, since it is larger than the sum of its proper divisors (11937375482105).

131311130303023 is a wasteful number, since it uses less digits than its factorization.

131311130303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11937375482104.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 131311130303023 its reverse (320303031113131), we get a palindrome (451614161416154).

The spelling of 131311130303023 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred thirty million, three hundred three thousand, twenty-three".