2312111222310 has 64 divisors (see below), whose sum is σ = 5679694545408. Its totient is φ = 602212817664.

The previous prime is 2312111222299. The next prime is 2312111222339. The reversal of 2312111222310 is 132221112132.

It is a super-2 number, since 2×2312111222310² (a number of 26 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 in 31 ways as a sum of consecutive naturals, for example, 4899472 + ... + 5350611.

It is an arithmetic number, because the mean of its divisors is an integer number (88745227272).

Almost surely, 2^{2312111222310} is an apocalyptic number.

2312111222310 is an abundant number, since it is smaller than the sum of its proper divisors (3367583323098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2312111222310 is a wasteful number, since it uses less digits than its factorization.

2312111222310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250269.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2312111222310 its reverse (132221112132), we get a palindrome (2444332334442).

The spelling of 2312111222310 in words is "two trillion, three hundred twelve billion, one hundred eleven million, two hundred twenty-two thousand, three hundred ten".