231311000101 has 4 divisors (see below), whose sum is σ = 234479644012. Its totient is φ = 228142356192.

The previous prime is 231311000083. The next prime is 231311000131. The reversal of 231311000101 is 101000113132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39860122500 + 191450877601 = 199650^2 + 437551^2 .

It is a cyclic number.

It is not a de Polignac number, because 231311000101 - 2⁷ = 231310999973 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 (231311000131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584321846 + ... + 1584321991.

It is an arithmetic number, because the mean of its divisors is an integer number (58619911003).

Almost surely, 2^231311000101 is an apocalyptic number.

It is an amenable number.

231311000101 is a deficient number, since it is larger than the sum of its proper divisors (3168643911).

231311000101 is an equidigital number, since it uses as much as digits as its factorization.

231311000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168643910.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 231311000101 its reverse (101000113132), we get a palindrome (332311113233).

The spelling of 231311000101 in words is "two hundred thirty-one billion, three hundred eleven million, one hundred one", and thus it is an aban number.