42031140231 has 16 divisors (see below), whose sum is σ = 57594178944. Its totient is φ = 27245431584.

The previous prime is 42031140199. The next prime is 42031140241. The reversal of 42031140231 is 13204113024.

It is not a de Polignac number, because 42031140231 - 2⁵ = 42031140199 is a prime.

It is a super-2 number, since 2×42031140231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42031140198 and 42031140207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031140241) 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, 44740 + ... + 293366.

It is an arithmetic number, because the mean of its divisors is an integer number (3599636184).

Almost surely, 2^42031140231 is an apocalyptic number.

42031140231 is a deficient number, since it is larger than the sum of its proper divisors (15563038713).

42031140231 is a wasteful number, since it uses less digits than its factorization.

42031140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250190.

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

Adding to 42031140231 its reverse (13204113024), we get a palindrome (55235253255).

The spelling of 42031140231 in words is "forty-two billion, thirty-one million, one hundred forty thousand, two hundred thirty-one".