42400112331 has 16 divisors (see below), whose sum is σ = 58564339200. Its totient is φ = 27254027808.

The previous prime is 42400112317. The next prime is 42400112383. The reversal of 42400112331 is 13321100424.

It is not a de Polignac number, because 42400112331 - 2¹⁵ = 42400079563 is a prime.

It is a super-2 number, since 2×42400112331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42400112298 and 42400112307.

It is not an unprimeable number, because it can be changed into a prime (42400112311) 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, 276361 + ... + 401466.

It is an arithmetic number, because the mean of its divisors is an integer number (3660271200).

Almost surely, 2^42400112331 is an apocalyptic number.

42400112331 is a deficient number, since it is larger than the sum of its proper divisors (16164226869).

42400112331 is a wasteful number, since it uses less digits than its factorization.

42400112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678578.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42400112331 its reverse (13321100424), we get a palindrome (55721212755).

The spelling of 42400112331 in words is "forty-two billion, four hundred million, one hundred twelve thousand, three hundred thirty-one".