231311133301 has 8 divisors (see below), whose sum is σ = 247164623640. Its totient is φ = 215707304448.

The previous prime is 231311133281. The next prime is 231311133329. The reversal of 231311133301 is 103331113132.

It can be written as a sum of positive squares in 4 ways, for example, as 75404610801 + 155906522500 = 274599^2 + 394850^2 .

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 231311133301 - 2⁵ = 231311133269 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 (231311131301) 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, 62413456 + ... + 62417161.

It is an arithmetic number, because the mean of its divisors is an integer number (30895577955).

Almost surely, 2^231311133301 is an apocalyptic number.

It is an amenable number.

231311133301 is a deficient number, since it is larger than the sum of its proper divisors (15853490339).

231311133301 is a wasteful number, since it uses less digits than its factorization.

231311133301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124830743.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 231311133301 its reverse (103331113132), we get a palindrome (334642246433).

The spelling of 231311133301 in words is "two hundred thirty-one billion, three hundred eleven million, one hundred thirty-three thousand, three hundred one".