31023212013223 has 8 divisors (see below), whose sum is σ = 31609808279136. Its totient is φ = 30436662141600.

The previous prime is 31023212013193. The next prime is 31023212013271. The reversal of 31023212013223 is 32231021232013.

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 31023212013223 - 2⁵ = 31023212013191 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 (31023212013293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10247083 + ... + 12924748.

It is an arithmetic number, because the mean of its divisors is an integer number (3951226034892).

Almost surely, 2^{31023212013223} is an apocalyptic number.

31023212013223 is a deficient number, since it is larger than the sum of its proper divisors (586596265913).

31023212013223 is a wasteful number, since it uses less digits than its factorization.

31023212013223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23197145.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31023212013223 its reverse (32231021232013), we get a palindrome (63254233245236).

The spelling of 31023212013223 in words is "thirty-one trillion, twenty-three billion, two hundred twelve million, thirteen thousand, two hundred twenty-three".