64100131 has 4 divisors (see below), whose sum is σ = 64123432. Its totient is φ = 64076832.

The previous prime is 64100123. The next prime is 64100147. The reversal of 64100131 is 13100146.

64100131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64100131 - 2³ = 64100123 is a prime.

It is a super-2 number, since 2×64100131² = 8217653588434322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64100171) 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, 6870 + ... + 13243.

It is an arithmetic number, because the mean of its divisors is an integer number (16030858).

Almost surely, 2^64100131 is an apocalyptic number.

64100131 is a deficient number, since it is larger than the sum of its proper divisors (23301).

64100131 is a wasteful number, since it uses less digits than its factorization.

64100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23300.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 64100131 is about 8006.2557416061. The cubic root of 64100131 is about 400.2084975530.

Adding to 64100131 its reverse (13100146), we get a palindrome (77200277).

The spelling of 64100131 in words is "sixty-four million, one hundred thousand, one hundred thirty-one".