231790102 has 4 divisors (see below), whose sum is σ = 347685156. Its totient is φ = 115895050.

The previous prime is 231790049. The next prime is 231790109. The reversal of 231790102 is 201097132.

231790102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231790109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57947524 + ... + 57947527.

It is an arithmetic number, because the mean of its divisors is an integer number (86921289).

Almost surely, 2^231790102 is an apocalyptic number.

231790102 is a deficient number, since it is larger than the sum of its proper divisors (115895054).

231790102 is a wasteful number, since it uses less digits than its factorization.

231790102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115895053.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 231790102 is about 15224.6544131550. The cubic root of 231790102 is about 614.2780008457.

The spelling of 231790102 in words is "two hundred thirty-one million, seven hundred ninety thousand, one hundred two".