131031310 has 16 divisors (see below), whose sum is σ = 235989936. Its totient is φ = 52382848.

The previous prime is 131031301. The next prime is 131031337. The reversal of 131031310 is 13130131.

It is a happy number.

It is a super-2 number, since 2×131031310² = 34338408400632200, which 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, 26709 + ... + 31231.

It is an arithmetic number, because the mean of its divisors is an integer number (14749371).

Almost surely, 2^131031310 is an apocalyptic number.

131031310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131031310 is a deficient number, since it is larger than the sum of its proper divisors (104958626).

131031310 is a wasteful number, since it uses less digits than its factorization.

131031310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 131031310 is about 11446.8908442424. The cubic root of 131031310 is about 507.9157666153.

Adding to 131031310 its reverse (13130131), we get a palindrome (144161441).

The spelling of 131031310 in words is "one hundred thirty-one million, thirty-one thousand, three hundred ten".