231341403331 has 8 divisors (see below), whose sum is σ = 246878461440. Its totient is φ = 216018649728.

The previous prime is 231341403323. The next prime is 231341403343. The reversal of 231341403331 is 133304143132.

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

It is a cyclic number.

It is not a de Polignac number, because 231341403331 - 2³ = 231341403323 is a prime.

It is a super-2 number, since 2×231341403331² (a number of 24 digits) contains 22 as substring.

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 231341403331.

It is not an unprimeable number, because it can be changed into a prime (231341403361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53573896 + ... + 53578213.

It is an arithmetic number, because the mean of its divisors is an integer number (30859807680).

Almost surely, 2^231341403331 is an apocalyptic number.

231341403331 is a deficient number, since it is larger than the sum of its proper divisors (15537058109).

231341403331 is a wasteful number, since it uses less digits than its factorization.

231341403331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107152253.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 231341403331 its reverse (133304143132), we get a palindrome (364645546463).

The spelling of 231341403331 in words is "two hundred thirty-one billion, three hundred forty-one million, four hundred three thousand, three hundred thirty-one".