42431110111302 has 128 divisors (see below), whose sum is σ = 99046429613568. Its totient is φ = 11975303424000.

The previous prime is 42431110111301. The next prime is 42431110111343. The reversal of 42431110111302 is 20311101113424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42431110111301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 212605653 + ... + 212805135.

It is an arithmetic number, because the mean of its divisors is an integer number (773800231356).

Almost surely, 2^{42431110111302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42431110111302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49523214806784).

42431110111302 is an abundant number, since it is smaller than the sum of its proper divisors (56615319502266).

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

42431110111302 is a wasteful number, since it uses less digits than its factorization.

42431110111302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201494.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 42431110111302 its reverse (20311101113424), we get a palindrome (62742211224726).

The spelling of 42431110111302 in words is "forty-two trillion, four hundred thirty-one billion, one hundred ten million, one hundred eleven thousand, three hundred two".