131150623 has 4 divisors (see below), whose sum is σ = 136852848. Its totient is φ = 125448400.

The previous prime is 131150603. The next prime is 131150651. The reversal of 131150623 is 326051131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326051131 = 7 ⋅46578733.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131150623 is a prime.

It is a super-3 number, since 3×131150623³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131150594 and 131150603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131150603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2851078 + ... + 2851123.

It is an arithmetic number, because the mean of its divisors is an integer number (34213212).

Almost surely, 2^131150623 is an apocalyptic number.

131150623 is a deficient number, since it is larger than the sum of its proper divisors (5702225).

131150623 is an equidigital number, since it uses as much as digits as its factorization.

131150623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702224.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 131150623 is about 11452.1012482426. The cubic root of 131150623 is about 508.0698839006.

The spelling of 131150623 in words is "one hundred thirty-one million, one hundred fifty thousand, six hundred twenty-three".