31113312100030 has 32 divisors (see below), whose sum is σ = 56036563446528. Its totient is φ = 12438080928000.

The previous prime is 31113312100027. The next prime is 31113312100081. The reversal of 31113312100030 is 3000121331113.

It is a junction number, because it is equal to n+sod(n) for n = 31113312099980 and 31113312100007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331252354 + ... + 331346266.

It is an arithmetic number, because the mean of its divisors is an integer number (1751142607704).

Almost surely, 2^{31113312100030} is an apocalyptic number.

31113312100030 is a deficient number, since it is larger than the sum of its proper divisors (24923251346498).

31113312100030 is a wasteful number, since it uses less digits than its factorization.

31113312100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112852.

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

Adding to 31113312100030 its reverse (3000121331113), we get a palindrome (34113433431143).

The spelling of 31113312100030 in words is "thirty-one trillion, one hundred thirteen billion, three hundred twelve million, one hundred thousand, thirty".