42311420 has 12 divisors (see below), whose sum is σ = 88854024. Its totient is φ = 16924560.

The previous prime is 42311417. The next prime is 42311431. The reversal of 42311420 is 2411324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057766 + ... + 1057805.

It is an arithmetic number, because the mean of its divisors is an integer number (7404502).

Almost surely, 2^42311420 is an apocalyptic number.

It is an amenable number.

42311420 is an abundant number, since it is smaller than the sum of its proper divisors (46542604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42311420 is a wasteful number, since it uses less digits than its factorization.

42311420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115580 (or 2115578 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42311420 is about 6504.7228995554. The cubic root of 42311420 is about 348.4596801086.

Adding to 42311420 its reverse (2411324), we get a palindrome (44722744).

The spelling of 42311420 in words is "forty-two million, three hundred eleven thousand, four hundred twenty".