31201313223 has 8 divisors (see below), whose sum is σ = 41603493888. Its totient is φ = 20800004024.

The previous prime is 31201313141. The next prime is 31201313233. The reversal of 31201313223 is 32231310213.

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

It is a cyclic number.

It is not a de Polignac number, because 31201313223 - 2¹⁴ = 31201296839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31201313223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201313233) 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 7 ways as a sum of consecutive naturals, for example, 129165 + ... + 281222.

It is an arithmetic number, because the mean of its divisors is an integer number (5200436736).

Almost surely, 2^31201313223 is an apocalyptic number.

31201313223 is a deficient number, since it is larger than the sum of its proper divisors (10402180665).

31201313223 is a wasteful number, since it uses less digits than its factorization.

31201313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435733.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31201313223 its reverse (32231310213), we get a palindrome (63432623436).

The spelling of 31201313223 in words is "thirty-one billion, two hundred one million, three hundred thirteen thousand, two hundred twenty-three".