42031401 has 16 divisors (see below), whose sum is σ = 59155200. Its totient is φ = 26472528.

The previous prime is 42031399. The next prime is 42031403. The reversal of 42031401 is 10413024.

It is an interprime number because it is at equal distance from previous prime (42031399) and next prime (42031403).

It is not a de Polignac number, because 42031401 - 2¹ = 42031399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42031403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25830 + ... + 27408.

It is an arithmetic number, because the mean of its divisors is an integer number (3697200).

Almost surely, 2^42031401 is an apocalyptic number.

It is an amenable number.

42031401 is a deficient number, since it is larger than the sum of its proper divisors (17123799).

42031401 is a wasteful number, since it uses less digits than its factorization.

42031401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42031401 is about 6483.1628855058. The cubic root of 42031401 is about 347.6892704585.

Adding to 42031401 its reverse (10413024), we get a palindrome (52444425).

The spelling of 42031401 in words is "forty-two million, thirty-one thousand, four hundred one".