31001101424 has 20 divisors (see below), whose sum is σ = 60276885336. Its totient is φ = 15445776192.

The previous prime is 31001101331. The next prime is 31001101427. The reversal of 31001101424 is 42410110013.

It is a happy number.

It is a super-2 number, since 2×31001101424² (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 (31001101427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3418739 + ... + 3427794.

Almost surely, 2^31001101424 is an apocalyptic number.

It is an amenable number.

31001101424 is a deficient number, since it is larger than the sum of its proper divisors (29275783912).

31001101424 is a wasteful number, since it uses less digits than its factorization.

31001101424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846824 (or 6846818 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 31001101424 its reverse (42410110013), we get a palindrome (73411211437).

The spelling of 31001101424 in words is "thirty-one billion, one million, one hundred one thousand, four hundred twenty-four".