231303132211310 has 32 divisors (see below), whose sum is σ = 419548749120000. Its totient is φ = 91811819139840.

The previous prime is 231303132211253. The next prime is 231303132211321. The reversal of 231303132211310 is 13112231303132.

It is a super-2 number, since 2×231303132211310² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231303132211310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147264185 + ... + 148826564.

It is an arithmetic number, because the mean of its divisors is an integer number (13110898410000).

Almost surely, 2^{231303132211310} is an apocalyptic number.

231303132211310 is a deficient number, since it is larger than the sum of its proper divisors (188245616908690).

231303132211310 is a wasteful number, since it uses less digits than its factorization.

231303132211310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296091356.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 231303132211310 its reverse (13112231303132), we get a palindrome (244415363514442).

The spelling of 231303132211310 in words is "two hundred thirty-one trillion, three hundred three billion, one hundred thirty-two million, two hundred eleven thousand, three hundred ten".