131121320301031 has 16 divisors (see below), whose sum is σ = 132954236706816. Its totient is φ = 129301018138656.

The previous prime is 131121320300989. The next prime is 131121320301047. The reversal of 131121320301031 is 130103023121131.

It is a cyclic number.

It is not a de Polignac number, because 131121320301031 - 2³⁷ = 130983881347559 is a prime.

It is a super-2 number, since 2×131121320301031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131121320300993 and 131121320301011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131121320301091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320199745 + ... + 320608981.

It is an arithmetic number, because the mean of its divisors is an integer number (8309639794176).

Almost surely, 2^{131121320301031} is an apocalyptic number.

131121320301031 is a deficient number, since it is larger than the sum of its proper divisors (1832916405785).

131121320301031 is a wasteful number, since it uses less digits than its factorization.

131121320301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424638.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 131121320301031 its reverse (130103023121131), we get a palindrome (261224343422162).

The spelling of 131121320301031 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred twenty million, three hundred one thousand, thirty-one".