231032422402 has 8 divisors (see below), whose sum is σ = 346977002700. Its totient is φ = 115373421504.

The previous prime is 231032422267. The next prime is 231032422429. The reversal of 231032422402 is 204224230132.

It can be written as a sum of positive squares in 2 ways, for example, as 225084773761 + 5947648641 = 474431^2 + 77121^2 .

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

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, 71392827 + ... + 71396062.

Almost surely, 2^231032422402 is an apocalyptic number.

231032422402 is a deficient number, since it is larger than the sum of its proper divisors (115944580298).

231032422402 is a wasteful number, since it uses less digits than its factorization.

231032422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142789700.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 231032422402 its reverse (204224230132), we get a palindrome (435256652534).

The spelling of 231032422402 in words is "two hundred thirty-one billion, thirty-two million, four hundred twenty-two thousand, four hundred two".