31223430200002 has 16 divisors (see below), whose sum is σ = 49665404495520. Its totient is φ = 14671082429248.

The previous prime is 31223430199993. The next prime is 31223430200051. The reversal of 31223430200002 is 20000203432213.

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, 696742528 + ... + 696787339.

It is an arithmetic number, because the mean of its divisors is an integer number (3104087780970).

Almost surely, 2^{31223430200002} is an apocalyptic number.

31223430200002 is a deficient number, since it is larger than the sum of its proper divisors (18441974295518).

31223430200002 is a wasteful number, since it uses less digits than its factorization.

31223430200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393530545.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 31223430200002 its reverse (20000203432213), we get a palindrome (51223633632215).

The spelling of 31223430200002 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred thirty million, two hundred thousand, two".