101230231133 has 4 divisors (see below), whose sum is σ = 103140235548. Its totient is φ = 99320226720.

The previous prime is 101230231099. The next prime is 101230231159. The reversal of 101230231133 is 331132032101.

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 71196647929 + 30033583204 = 266827^2 + 173302^2 .

It is a cyclic number.

It is not a de Polignac number, because 101230231133 - 2⁸ = 101230230877 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 (101230231163) 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, 955002128 + ... + 955002233.

It is an arithmetic number, because the mean of its divisors is an integer number (25785058887).

Almost surely, 2^101230231133 is an apocalyptic number.

It is an amenable number.

101230231133 is a deficient number, since it is larger than the sum of its proper divisors (1910004415).

101230231133 is an equidigital number, since it uses as much as digits as its factorization.

101230231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910004414.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 101230231133 its reverse (331132032101), we get a palindrome (432362263234).

The spelling of 101230231133 in words is "one hundred one billion, two hundred thirty million, two hundred thirty-one thousand, one hundred thirty-three".