42311431320 has 32 divisors (see below), whose sum is σ = 126934294320. Its totient is φ = 11283048320.

The previous prime is 42311431319. The next prime is 42311431339. The reversal of 42311431320 is 2313411324.

It is a happy number.

It is a super-3 number, since 3×42311431320³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176297511 + ... + 176297750.

Almost surely, 2^42311431320 is an apocalyptic number.

42311431320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42311431320 is an abundant number, since it is smaller than the sum of its proper divisors (84622863000).

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

42311431320 is a wasteful number, since it uses less digits than its factorization.

42311431320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352595275 (or 352595271 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 42311431320 its reverse (2313411324), we get a palindrome (44624842644).

The spelling of 42311431320 in words is "forty-two billion, three hundred eleven million, four hundred thirty-one thousand, three hundred twenty".