31143231113110 has 8 divisors (see below), whose sum is σ = 56057816003616. Its totient is φ = 12457292445240.

The previous prime is 31143231113047. The next prime is 31143231113149. The reversal of 31143231113110 is 1131113234113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31143231113110² (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 3 ways as a sum of consecutive naturals, for example, 1557161555646 + ... + 1557161555665.

It is an arithmetic number, because the mean of its divisors is an integer number (7007227000452).

Almost surely, 2^{31143231113110} is an apocalyptic number.

31143231113110 is a deficient number, since it is larger than the sum of its proper divisors (24914584890506).

31143231113110 is a wasteful number, since it uses less digits than its factorization.

31143231113110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114323111318.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 31143231113110 its reverse (1131113234113), we get a palindrome (32274344347223).

The spelling of 31143231113110 in words is "thirty-one trillion, one hundred forty-three billion, two hundred thirty-one million, one hundred thirteen thousand, one hundred ten".