131351123 has 8 divisors (see below), whose sum is σ = 142725120. Its totient is φ = 120423240.

The previous prime is 131351113. The next prime is 131351131. The reversal of 131351123 is 321153131.

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

It is a cyclic number.

It is not a de Polignac number, because 131351123 - 2⁸ = 131350867 is a prime.

It is a super-2 number, since 2×131351123² = 34506235026722258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131351095 and 131351104.

It is not an unprimeable number, because it can be changed into a prime (131351113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110915 + ... + 112092.

It is an arithmetic number, because the mean of its divisors is an integer number (17840640).

Almost surely, 2^131351123 is an apocalyptic number.

131351123 is a deficient number, since it is larger than the sum of its proper divisors (11373997).

131351123 is a wasteful number, since it uses less digits than its factorization.

131351123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223057.

The product of its digits is 270, while the sum is 20.

The square root of 131351123 is about 11460.8517571776. The cubic root of 131351123 is about 508.3286605202.

The spelling of 131351123 in words is "one hundred thirty-one million, three hundred fifty-one thousand, one hundred twenty-three".