131213110 has 64 divisors (see below), whose sum is σ = 282268800. Its totient is φ = 42964992.

The previous prime is 131213101. The next prime is 131213129. The reversal of 131213110 is 11312131.

131213110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 220974 + ... + 221566.

It is an arithmetic number, because the mean of its divisors is an integer number (4410450).

Almost surely, 2^131213110 is an apocalyptic number.

131213110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131213110 is an abundant number, since it is smaller than the sum of its proper divisors (151055690).

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

131213110 is a wasteful number, since it uses less digits than its factorization.

131213110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 131213110 is about 11454.8291126494. The cubic root of 131213110 is about 508.1505614233.

Adding to 131213110 its reverse (11312131), we get a palindrome (142525241).

The spelling of 131213110 in words is "one hundred thirty-one million, two hundred thirteen thousand, one hundred ten".