20203131031010 has 8 divisors (see below), whose sum is σ = 36365635855836. Its totient is φ = 8081252412400.

The previous prime is 20203131030947. The next prime is 20203131031043. The reversal of 20203131031010 is 1013013130202.

It can be written as a sum of positive squares in 2 ways, for example, as 16949252600809 + 3253878430201 = 4116947^2 + 1803851^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20203131031010.

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, 1010156551541 + ... + 1010156551560.

Almost surely, 2^{20203131031010} is an apocalyptic number.

20203131031010 is a deficient number, since it is larger than the sum of its proper divisors (16162504824826).

20203131031010 is a wasteful number, since it uses less digits than its factorization.

20203131031010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020313103108.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20203131031010 its reverse (1013013130202), we get a palindrome (21216144161212).

The spelling of 20203131031010 in words is "twenty trillion, two hundred three billion, one hundred thirty-one million, thirty-one thousand, ten".