231404100101 has 4 divisors (see below), whose sum is σ = 231406641804. Its totient is φ = 231401558400.

The previous prime is 231404100089. The next prime is 231404100131. The reversal of 231404100101 is 101001404132.

It is a happy number.

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 61503504001 + 169900596100 = 247999^2 + 412190^2 .

It is a cyclic number.

It is not a de Polignac number, because 231404100101 - 2¹⁸ = 231403837957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231404100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231404100131) 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, 1129010 + ... + 1318131.

It is an arithmetic number, because the mean of its divisors is an integer number (57851660451).

Almost surely, 2^231404100101 is an apocalyptic number.

It is an amenable number.

231404100101 is a deficient number, since it is larger than the sum of its proper divisors (2541703).

231404100101 is an equidigital number, since it uses as much as digits as its factorization.

231404100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541702.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 231404100101 its reverse (101001404132), we get a palindrome (332405504233).

The spelling of 231404100101 in words is "two hundred thirty-one billion, four hundred four million, one hundred thousand, one hundred one".