31033112230 has 32 divisors (see below), whose sum is σ = 59155772256. Its totient is φ = 11681017344.

The previous prime is 31033112219. The next prime is 31033112261. The reversal of 31033112230 is 3221133013.

It is a junction number, because it is equal to n+sod(n) for n = 31033112198 and 31033112207.

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, 1264032 + ... + 1288348.

It is an arithmetic number, because the mean of its divisors is an integer number (1848617883).

Almost surely, 2^31033112230 is an apocalyptic number.

31033112230 is a deficient number, since it is larger than the sum of its proper divisors (28122660026).

31033112230 is a wasteful number, since it uses less digits than its factorization.

31033112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31848.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31033112230 its reverse (3221133013), we get a palindrome (34254245243).

The spelling of 31033112230 in words is "thirty-one billion, thirty-three million, one hundred twelve thousand, two hundred thirty".