231312033244 has 6 divisors (see below), whose sum is σ = 404796058184. Its totient is φ = 115656016620.

The previous prime is 231312033181. The next prime is 231312033263. The reversal of 231312033244 is 442330213132.

It is a happy number.

It is a super-2 number, since 2×231312033244² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28914004152 + ... + 28914004159.

Almost surely, 2^231312033244 is an apocalyptic number.

It is an amenable number.

231312033244 is a deficient number, since it is larger than the sum of its proper divisors (173484024940).

231312033244 is a wasteful number, since it uses less digits than its factorization.

231312033244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57828008315 (or 57828008313 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 231312033244 its reverse (442330213132), we get a palindrome (673642246376).

The spelling of 231312033244 in words is "two hundred thirty-one billion, three hundred twelve million, thirty-three thousand, two hundred forty-four".