131145310 has 48 divisors (see below), whose sum is σ = 261799776. Its totient is φ = 47201792.

The previous prime is 131145263. The next prime is 131145317. The reversal of 131145310 is 13541131.

131145310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131145310² = 34398184669992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131145317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65484 + ... + 67456.

It is an arithmetic number, because the mean of its divisors is an integer number (5454162).

Almost surely, 2^131145310 is an apocalyptic number.

131145310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131145310 is a deficient number, since it is larger than the sum of its proper divisors (130654466).

131145310 is a wasteful number, since it uses less digits than its factorization.

131145310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 131145310 is about 11451.8692797290. The cubic root of 131145310 is about 508.0630230570.

Adding to 131145310 its reverse (13541131), we get a palindrome (144686441).

The spelling of 131145310 in words is "one hundred thirty-one million, one hundred forty-five thousand, three hundred ten".