231310133221010 has 16 divisors (see below), whose sum is σ = 416360112235200. Its totient is φ = 92523637191216.

The previous prime is 231310133220997. The next prime is 231310133221033. The reversal of 231310133221010 is 10122331013132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49672340 + ... + 54129119.

It is an arithmetic number, because the mean of its divisors is an integer number (26022507014700).

Almost surely, 2^{231310133221010} is an apocalyptic number.

231310133221010 is a deficient number, since it is larger than the sum of its proper divisors (185049979014190).

231310133221010 is a wasteful number, since it uses less digits than its factorization.

231310133221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104024305.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 231310133221010 its reverse (10122331013132), we get a palindrome (241432464234142).

The spelling of 231310133221010 in words is "two hundred thirty-one trillion, three hundred ten billion, one hundred thirty-three million, two hundred twenty-one thousand, ten".