231132312202 has 8 divisors (see below), whose sum is σ = 378216510912. Its totient is φ = 105060141900.

The previous prime is 231132312197. The next prime is 231132312211. The reversal of 231132312202 is 202213231132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10506014191 = 231132312202 / (2 + 3 + 1 + 1 + 3 + 2 + 3 + 1 + 2 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5253007074 + ... + 5253007117.

It is an arithmetic number, because the mean of its divisors is an integer number (47277063864).

Almost surely, 2^231132312202 is an apocalyptic number.

231132312202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231132312202 is a deficient number, since it is larger than the sum of its proper divisors (147084198710).

231132312202 is a wasteful number, since it uses less digits than its factorization.

231132312202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10506014204.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231132312202 its reverse (202213231132), we get a palindrome (433345543334).

The spelling of 231132312202 in words is "two hundred thirty-one billion, one hundred thirty-two million, three hundred twelve thousand, two hundred two".