42310121310 has 128 divisors (see below), whose sum is σ = 118858406400. Its totient is φ = 10680491520.

The previous prime is 42310121299. The next prime is 42310121323. The reversal of 42310121310 is 1312101324.

42310121310 is a `hidden beast` number, since 4 + 231 + 0 + 121 + 310 = 666.

It is a super-2 number, since 2×42310121310² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8959750 + ... + 8964470.

It is an arithmetic number, because the mean of its divisors is an integer number (928581300).

Almost surely, 2^42310121310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42310121310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59429203200).

42310121310 is an abundant number, since it is smaller than the sum of its proper divisors (76548285090).

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

42310121310 is a wasteful number, since it uses less digits than its factorization.

42310121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503 (or 6497 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 42310121310 its reverse (1312101324), we get a palindrome (43622222634).

The spelling of 42310121310 in words is "forty-two billion, three hundred ten million, one hundred twenty-one thousand, three hundred ten".