31031131100230 has 8 divisors (see below), whose sum is σ = 55856035980432. Its totient is φ = 12412452440088.

The previous prime is 31031131100197. The next prime is 31031131100267. The reversal of 31031131100230 is 3200113113013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31031131100198 and 31031131100207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551556555002 + ... + 1551556555021.

It is an arithmetic number, because the mean of its divisors is an integer number (6982004497554).

Almost surely, 2^{31031131100230} is an apocalyptic number.

31031131100230 is a deficient number, since it is larger than the sum of its proper divisors (24824904880202).

31031131100230 is a wasteful number, since it uses less digits than its factorization.

31031131100230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103113110030.

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

Adding to 31031131100230 its reverse (3200113113013), we get a palindrome (34231244213243).

The spelling of 31031131100230 in words is "thirty-one trillion, thirty-one billion, one hundred thirty-one million, one hundred thousand, two hundred thirty".