131201021332031 has 24 divisors (see below), whose sum is σ = 152805792275136. Its totient is φ = 112322305455360.

The previous prime is 131201021332013. The next prime is 131201021332097. The reversal of 131201021332031 is 130233120102131.

It is not a de Polignac number, because 131201021332031 - 2⁶ = 131201021331967 is a prime.

It is a super-2 number, since 2×131201021332031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131201021331988 and 131201021332006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201021332331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1453206611 + ... + 1453296891.

It is an arithmetic number, because the mean of its divisors is an integer number (6366908011464).

Almost surely, 2^{131201021332031} is an apocalyptic number.

131201021332031 is a deficient number, since it is larger than the sum of its proper divisors (21604770943105).

131201021332031 is an equidigital number, since it uses as much as digits as its factorization.

131201021332031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125759 (or 125752 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131201021332031 its reverse (130233120102131), we get a palindrome (261434141434162).

The spelling of 131201021332031 in words is "one hundred thirty-one trillion, two hundred one billion, twenty-one million, three hundred thirty-two thousand, thirty-one".