31013210012230 has 32 divisors (see below), whose sum is σ = 58889337867360. Its totient is φ = 11726881067520.

The previous prime is 31013210012201. The next prime is 31013210012231. The reversal of 31013210012230 is 3221001231013.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 31013210012198 and 31013210012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013210012231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176948659 + ... + 177123838.

It is an arithmetic number, because the mean of its divisors is an integer number (1840291808355).

Almost surely, 2^{31013210012230} is an apocalyptic number.

31013210012230 is a deficient number, since it is larger than the sum of its proper divisors (27876127855130).

31013210012230 is a wasteful number, since it uses less digits than its factorization.

31013210012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354072984.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31013210012230 its reverse (3221001231013), we get a palindrome (34234211243243).

The spelling of 31013210012230 in words is "thirty-one trillion, thirteen billion, two hundred ten million, twelve thousand, two hundred thirty".