42010031100 has 72 divisors (see below), whose sum is σ = 128698981488. Its totient is φ = 10543692800.

The previous prime is 42010031087. The next prime is 42010031101. The reversal of 42010031100 is 113001024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42010031101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4113531 + ... + 4123730.

It is an arithmetic number, because the mean of its divisors is an integer number (1787485854).

Almost surely, 2^42010031100 is an apocalyptic number.

It is an amenable number.

42010031100 is an abundant number, since it is smaller than the sum of its proper divisors (86688950388).

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

42010031100 is a wasteful number, since it uses less digits than its factorization.

42010031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237295 (or 8237288 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 42010031100 its reverse (113001024), we get a palindrome (42123032124).

The spelling of 42010031100 in words is "forty-two billion, ten million, thirty-one thousand, one hundred".