42340031310 has 64 divisors (see below), whose sum is σ = 103848625152. Its totient is φ = 11042941056.

The previous prime is 42340031287. The next prime is 42340031311. The reversal of 42340031310 is 1313004324.

It is a super-2 number, since 2×42340031310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340031311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2242369 + ... + 2261171.

It is an arithmetic number, because the mean of its divisors is an integer number (1622634768).

Almost surely, 2^42340031310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42340031310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51924312576).

42340031310 is an abundant number, since it is smaller than the sum of its proper divisors (61508593842).

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

42340031310 is a wasteful number, since it uses less digits than its factorization.

42340031310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20457.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 42340031310 its reverse (1313004324), we get a palindrome (43653035634).

The spelling of 42340031310 in words is "forty-two billion, three hundred forty million, thirty-one thousand, three hundred ten".