42700131 has 6 divisors (see below), whose sum is σ = 61677980. Its totient is φ = 28466748.

The previous prime is 42700127. The next prime is 42700171. The reversal of 42700131 is 13100724.

42700131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42700131 - 2² = 42700127 is a prime.

It is a super-2 number, since 2×42700131² = 3646602374834322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42700171) 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 5 ways as a sum of consecutive naturals, for example, 2372221 + ... + 2372238.

Almost surely, 2^42700131 is an apocalyptic number.

42700131 is a deficient number, since it is larger than the sum of its proper divisors (18977849).

42700131 is a wasteful number, since it uses less digits than its factorization.

42700131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744465 (or 4744462 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 42700131 is about 6534.5337247580. The cubic root of 42700131 is about 349.5235176080.

Adding to 42700131 its reverse (13100724), we get a palindrome (55800855).

The spelling of 42700131 in words is "forty-two million, seven hundred thousand, one hundred thirty-one".