131231230002311 has 8 divisors (see below), whose sum is σ = 139348853708400. Its totient is φ = 123157844028288.

The previous prime is 131231230002307. The next prime is 131231230002391. The reversal of 131231230002311 is 113200032132131.

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 131231230002311 - 2² = 131231230002307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131231230002391) 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, 11059426901 + ... + 11059438766.

It is an arithmetic number, because the mean of its divisors is an integer number (17418606713550).

Almost surely, 2^{131231230002311} is an apocalyptic number.

131231230002311 is a deficient number, since it is larger than the sum of its proper divisors (8117623706089).

131231230002311 is a wasteful number, since it uses less digits than its factorization.

131231230002311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22118866033.

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

Adding to 131231230002311 its reverse (113200032132131), we get a palindrome (244431262134442).

The spelling of 131231230002311 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, two hundred thirty million, two thousand, three hundred eleven".