131444033 has 16 divisors (see below), whose sum is σ = 158469120. Its totient is φ = 106506576.

The previous prime is 131444023. The next prime is 131444041. The reversal of 131444033 is 330444131.

It is a cyclic number.

It is not a de Polignac number, because 131444033 - 2⁶ = 131443969 is a prime.

It is a super-2 number, since 2×131444033² = 34555067622610178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131444003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90116 + ... + 91562.

It is an arithmetic number, because the mean of its divisors is an integer number (9904320).

Almost surely, 2^131444033 is an apocalyptic number.

It is an amenable number.

131444033 is a deficient number, since it is larger than the sum of its proper divisors (27025087).

131444033 is a wasteful number, since it uses less digits than its factorization.

131444033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 131444033 is about 11464.9044043114. The cubic root of 131444033 is about 508.4484861284.

Adding to 131444033 its reverse (330444131), we get a palindrome (461888164).

The spelling of 131444033 in words is "one hundred thirty-one million, four hundred forty-four thousand, thirty-three".