31103212230110 has 16 divisors (see below), whose sum is σ = 55986747815232. Its totient is φ = 12441070269600.

The previous prime is 31103212230109. The next prime is 31103212230151. The reversal of 31103212230110 is 1103221230113.

It is a happy number.

It is a super-2 number, since 2×31103212230110² (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 26218481 + ... + 27379100.

It is an arithmetic number, because the mean of its divisors is an integer number (3499171738452).

Almost surely, 2^{31103212230110} is an apocalyptic number.

31103212230110 is a deficient number, since it is larger than the sum of its proper divisors (24883535585122).

31103212230110 is a wasteful number, since it uses less digits than its factorization.

31103212230110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53655619.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31103212230110 its reverse (1103221230113), we get a palindrome (32206433460223).

The spelling of 31103212230110 in words is "thirty-one trillion, one hundred three billion, two hundred twelve million, two hundred thirty thousand, one hundred ten".