31224100030 has 16 divisors (see below), whose sum is σ = 56438544960. Its totient is φ = 12437381152.

The previous prime is 31224100013. The next prime is 31224100051. The reversal of 31224100030 is 3000142213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31224099977 and 31224100013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6529849 + ... + 6534628.

It is an arithmetic number, because the mean of its divisors is an integer number (3527409060).

Almost surely, 2^31224100030 is an apocalyptic number.

31224100030 is a deficient number, since it is larger than the sum of its proper divisors (25214444930).

31224100030 is a wasteful number, since it uses less digits than its factorization.

31224100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13064723.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31224100030 its reverse (3000142213), we get a palindrome (34224242243).

The spelling of 31224100030 in words is "thirty-one billion, two hundred twenty-four million, one hundred thousand, thirty".