31113103100230 has 16 divisors (see below), whose sum is σ = 56269005421104. Its totient is φ = 12386259053280.

The previous prime is 31113103100161. The next prime is 31113103100239. The reversal of 31113103100230 is 3200130131113.

It is a junction number, because it is equal to n+sod(n) for n = 31113103100198 and 31113103100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113103100239) 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, 7372771137 + ... + 7372775356.

It is an arithmetic number, because the mean of its divisors is an integer number (3516812838819).

Almost surely, 2^{31113103100230} is an apocalyptic number.

31113103100230 is a deficient number, since it is larger than the sum of its proper divisors (25155902320874).

31113103100230 is a wasteful number, since it uses less digits than its factorization.

31113103100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14745546711.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31113103100230 its reverse (3200130131113), we get a palindrome (34313233231343).

The spelling of 31113103100230 in words is "thirty-one trillion, one hundred thirteen billion, one hundred three million, one hundred thousand, two hundred thirty".