31100010042 has 8 divisors (see below), whose sum is σ = 62200020096. Its totient is φ = 10366670012.

The previous prime is 31100010023. The next prime is 31100010077. The reversal of 31100010042 is 24001000113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

31100010042 is an admirable number.

It is a super-2 number, since 2×31100010042² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2591667498 + ... + 2591667509.

It is an arithmetic number, because the mean of its divisors is an integer number (7775002512).

Almost surely, 2^31100010042 is an apocalyptic number.

31100010042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31100010042 is a wasteful number, since it uses less digits than its factorization.

31100010042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183335012.

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

Adding to 31100010042 its reverse (24001000113), we get a palindrome (55101010155).

The spelling of 31100010042 in words is "thirty-one billion, one hundred million, ten thousand, forty-two".