42619031 has 16 divisors (see below), whose sum is σ = 52975104. Its totient is φ = 33385824.

The previous prime is 42619021. The next prime is 42619037. The reversal of 42619031 is 13091624.

It is a cyclic number.

It is not a de Polignac number, because 42619031 - 2¹⁸ = 42356887 is a prime.

It is a super-2 number, since 2×42619031² = 3632763606757922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42619037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7100 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (3310944).

Almost surely, 2^42619031 is an apocalyptic number.

42619031 is a deficient number, since it is larger than the sum of its proper divisors (10356073).

42619031 is a wasteful number, since it uses less digits than its factorization.

42619031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 42619031 is about 6528.3252829497. The cubic root of 42619031 is about 349.3020950068.

The spelling of 42619031 in words is "forty-two million, six hundred nineteen thousand, thirty-one".