131021341231 has 8 divisors (see below), whose sum is σ = 142935816528. Its totient is φ = 119107440000.

The previous prime is 131021341211. The next prime is 131021341237. The reversal of 131021341231 is 132143120131.

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

It is a cyclic number.

It is not a de Polignac number, because 131021341231 - 2⁹ = 131021340719 is a prime.

It is a super-2 number, since 2×131021341231² (a number of 23 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 (131021341237) 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, 435181 + ... + 671881.

It is an arithmetic number, because the mean of its divisors is an integer number (17866977066).

Almost surely, 2^131021341231 is an apocalyptic number.

131021341231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131021341231 is a deficient number, since it is larger than the sum of its proper divisors (11914475297).

131021341231 is a wasteful number, since it uses less digits than its factorization.

131021341231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287033.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 131021341231 its reverse (132143120131), we get a palindrome (263164461362).

The spelling of 131021341231 in words is "one hundred thirty-one billion, twenty-one million, three hundred forty-one thousand, two hundred thirty-one".