131402033 has 4 divisors (see below), whose sum is σ = 150173760. Its totient is φ = 112630308.

The previous prime is 131402021. The next prime is 131402041. The reversal of 131402033 is 330204131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131402033 - 2⁴ = 131402017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131402053) 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 3 ways as a sum of consecutive naturals, for example, 9385853 + ... + 9385866.

It is an arithmetic number, because the mean of its divisors is an integer number (37543440).

Almost surely, 2^131402033 is an apocalyptic number.

It is an amenable number.

131402033 is a deficient number, since it is larger than the sum of its proper divisors (18771727).

131402033 is an equidigital number, since it uses as much as digits as its factorization.

131402033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18771726.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 131402033 is about 11463.0725811189. The cubic root of 131402033 is about 508.3943259133.

Adding to 131402033 its reverse (330204131), we get a palindrome (461606164).

The spelling of 131402033 in words is "one hundred thirty-one million, four hundred two thousand, thirty-three".