31113000203 has 8 divisors (see below), whose sum is σ = 31277207808. Its totient is φ = 30949140904.

The previous prime is 31113000187. The next prime is 31113000223. The reversal of 31113000203 is 30200031113.

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

It is a cyclic number.

It is not a de Polignac number, because 31113000203 - 2⁴ = 31113000187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113000223) 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, 93026 + ... + 266232.

It is an arithmetic number, because the mean of its divisors is an integer number (3909650976).

Almost surely, 2^31113000203 is an apocalyptic number.

31113000203 is a deficient number, since it is larger than the sum of its proper divisors (164207605).

31113000203 is a wasteful number, since it uses less digits than its factorization.

31113000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174153.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31113000203 its reverse (30200031113), we get a palindrome (61313031316).

The spelling of 31113000203 in words is "thirty-one billion, one hundred thirteen million, two hundred three", and thus it is an aban number.