42431231344 has 10 divisors (see below), whose sum is σ = 82210510760. Its totient is φ = 21215615664.

The previous prime is 42431231341. The next prime is 42431231411. The reversal of 42431231344 is 44313213424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42431231341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325975964 + ... + 1325975995.

It is an arithmetic number, because the mean of its divisors is an integer number (8221051076).

Almost surely, 2^42431231344 is an apocalyptic number.

It is an amenable number.

42431231344 is a deficient number, since it is larger than the sum of its proper divisors (39779279416).

42431231344 is a wasteful number, since it uses less digits than its factorization.

42431231344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651951967 (or 2651951961 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 42431231344 its reverse (44313213424), we get a palindrome (86744444768).

The spelling of 42431231344 in words is "forty-two billion, four hundred thirty-one million, two hundred thirty-one thousand, three hundred forty-four".