31325253016223 has 4 divisors (see below), whose sum is σ = 31341458529288. Its totient is φ = 31309047503160.

The previous prime is 31325253016201. The next prime is 31325253016243. The reversal of 31325253016223 is 32261035252313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31325253016223 - 2²⁸ = 31324984580767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31325253016243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8102753633 + ... + 8102757498.

It is an arithmetic number, because the mean of its divisors is an integer number (7835364632322).

Almost surely, 2^{31325253016223} is an apocalyptic number.

31325253016223 is a deficient number, since it is larger than the sum of its proper divisors (16205513065).

31325253016223 is a wasteful number, since it uses less digits than its factorization.

31325253016223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16205513064.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 31325253016223 its reverse (32261035252313), we get a palindrome (63586288268536).

The spelling of 31325253016223 in words is "thirty-one trillion, three hundred twenty-five billion, two hundred fifty-three million, sixteen thousand, two hundred twenty-three".