42698031 has 4 divisors (see below), whose sum is σ = 56930712. Its totient is φ = 28465352.

The previous prime is 42698021. The next prime is 42698041. The reversal of 42698031 is 13089624.

42698031 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 an interprime number because it is at equal distance from previous prime (42698021) and next prime (42698041).

It is a cyclic number.

It is not a de Polignac number, because 42698031 - 2⁷ = 42697903 is a prime.

It is a super-2 number, since 2×42698031² = 3646243702553922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42697983 and 42698001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42698021) 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, 7116336 + ... + 7116341.

It is an arithmetic number, because the mean of its divisors is an integer number (14232678).

Almost surely, 2^42698031 is an apocalyptic number.

42698031 is a deficient number, since it is larger than the sum of its proper divisors (14232681).

42698031 is a wasteful number, since it uses less digits than its factorization.

42698031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14232680.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 42698031 is about 6534.3730380198. The cubic root of 42698031 is about 349.5177876379.

The spelling of 42698031 in words is "forty-two million, six hundred ninety-eight thousand, thirty-one".