31000200226 has 8 divisors (see below), whose sum is σ = 46560771180. Its totient is φ = 15479943168.

The previous prime is 31000200191. The next prime is 31000200233. The reversal of 31000200226 is 62200200013.

It can be written as a sum of positive squares in 2 ways, for example, as 29982654025 + 1017546201 = 173155^2 + 31899^2 .

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

It is a super-2 number, since 2×31000200226² (a number of 22 digits) contains 22 as substring.

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, 10076551 + ... + 10079626.

Almost surely, 2^31000200226 is an apocalyptic number.

31000200226 is a deficient number, since it is larger than the sum of its proper divisors (15560570954).

31000200226 is a wasteful number, since it uses less digits than its factorization.

31000200226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20156948.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31000200226 its reverse (62200200013), we get a palindrome (93200400239).

The spelling of 31000200226 in words is "thirty-one billion, two hundred thousand, two hundred twenty-six".