131010345 has 16 divisors (see below), whose sum is σ = 232907520. Its totient is φ = 69872112.

The previous prime is 131010337. The next prime is 131010353. The reversal of 131010345 is 543010131.

131010345 is a `hidden beast` number, since 1 + 310 + 10 + 345 = 666.

It is an interprime number because it is at equal distance from previous prime (131010337) and next prime (131010353).

It is not a de Polignac number, because 131010345 - 2³ = 131010337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485089 + ... + 485358.

It is an arithmetic number, because the mean of its divisors is an integer number (14556720).

Almost surely, 2^131010345 is an apocalyptic number.

131010345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131010345 is a deficient number, since it is larger than the sum of its proper divisors (101897175).

131010345 is an equidigital number, since it uses as much as digits as its factorization.

131010345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970461 (or 970455 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 131010345 is about 11445.9750567612. The cubic root of 131010345 is about 507.8886763419. Note that the first 3 decimals are identical.

Adding to 131010345 its reverse (543010131), we get a palindrome (674020476).

The spelling of 131010345 in words is "one hundred thirty-one million, ten thousand, three hundred forty-five".