31230313330223 has 32 divisors (see below), whose sum is σ = 37814013177984. Its totient is φ = 25179067625472.

The previous prime is 31230313330219. The next prime is 31230313330247. The reversal of 31230313330223 is 32203331303213.

It is a cyclic number.

It is not a de Polignac number, because 31230313330223 - 2² = 31230313330219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230313336223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1686565961 + ... + 1686584477.

It is an arithmetic number, because the mean of its divisors is an integer number (1181687911812).

Almost surely, 2^{31230313330223} is an apocalyptic number.

31230313330223 is a deficient number, since it is larger than the sum of its proper divisors (6583699847761).

31230313330223 is a wasteful number, since it uses less digits than its factorization.

31230313330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26291.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 31230313330223 its reverse (32203331303213), we get a palindrome (63433644633436).

The spelling of 31230313330223 in words is "thirty-one trillion, two hundred thirty billion, three hundred thirteen million, three hundred thirty thousand, two hundred twenty-three".