131163433 has 8 divisors (see below), whose sum is σ = 136099080. Its totient is φ = 126255360.

The previous prime is 131163427. The next prime is 131163443. The reversal of 131163433 is 334361131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36626704 + 94536729 = 6052^2 + 9723^2 .

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 131163433 - 2⁹ = 131162921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131163398 and 131163407.

It is not an unprimeable number, because it can be changed into a prime (131163443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3063 + ... + 16483.

It is an arithmetic number, because the mean of its divisors is an integer number (17012385).

Almost surely, 2^131163433 is an apocalyptic number.

It is an amenable number.

131163433 is a deficient number, since it is larger than the sum of its proper divisors (4935647).

131163433 is a wasteful number, since it uses less digits than its factorization.

131163433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13787.

The product of its digits is 1944, while the sum is 25.

The square root of 131163433 is about 11452.6605205952. The cubic root of 131163433 is about 508.0864250937.

The spelling of 131163433 in words is "one hundred thirty-one million, one hundred sixty-three thousand, four hundred thirty-three".