31124240022 has 8 divisors (see below), whose sum is σ = 62248480056. Its totient is φ = 10374746672.

The previous prime is 31124240011. The next prime is 31124240029. The reversal of 31124240022 is 22004242113.

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

31124240022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31124240029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2593686663 + ... + 2593686674.

It is an arithmetic number, because the mean of its divisors is an integer number (7781060007).

Almost surely, 2^31124240022 is an apocalyptic number.

31124240022 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.

31124240022 is a wasteful number, since it uses less digits than its factorization.

31124240022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187373342.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 31124240022 its reverse (22004242113), we get a palindrome (53128482135).

The spelling of 31124240022 in words is "thirty-one billion, one hundred twenty-four million, two hundred forty thousand, twenty-two".