131133001 has 2 divisors, whose sum is σ = 131133002. Its totient is φ = 131133000.

The previous prime is 131132993. The next prime is 131133031. The reversal of 131133001 is 100331131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119333776 + 11799225 = 10924^2 + 3435^2 .

It is an emirp because it is prime and its reverse (100331131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131133001 - 2³ = 131132993 is a prime.

It is not a weakly prime, because it can be changed into another prime (131133031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65566500 + 65566501.

It is an arithmetic number, because the mean of its divisors is an integer number (65566501).

Almost surely, 2^131133001 is an apocalyptic number.

It is an amenable number.

131133001 is a deficient number, since it is larger than the sum of its proper divisors (1).

131133001 is an equidigital number, since it uses as much as digits as its factorization.

131133001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 131133001 is about 11451.3318439385. The cubic root of 131133001 is about 508.0471273471.

Adding to 131133001 its reverse (100331131), we get a palindrome (231464132).

The spelling of 131133001 in words is "one hundred thirty-one million, one hundred thirty-three thousand, one".