231303120310 has 16 divisors (see below), whose sum is σ = 416955212496. Its totient is φ = 92385782368.

The previous prime is 231303120281. The next prime is 231303120311. The reversal of 231303120310 is 13021303132.

It is a super-2 number, since 2×231303120310² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231303120311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16926049 + ... + 16939708.

It is an arithmetic number, because the mean of its divisors is an integer number (26059700781).

Almost surely, 2^231303120310 is an apocalyptic number.

231303120310 is a deficient number, since it is larger than the sum of its proper divisors (185652092186).

231303120310 is a wasteful number, since it uses less digits than its factorization.

231303120310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33866447.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231303120310 its reverse (13021303132), we get a palindrome (244324423442).

The spelling of 231303120310 in words is "two hundred thirty-one billion, three hundred three million, one hundred twenty thousand, three hundred ten".