20203131031222 has 8 divisors (see below), whose sum is σ = 30325756104000. Its totient is φ = 10094545663224.

The previous prime is 20203131031217. The next prime is 20203131031231. The reversal of 20203131031222 is 22213013130202.

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 = 20203131031193 and 20203131031202.

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, 3509922597 + ... + 3509928352.

It is an arithmetic number, because the mean of its divisors is an integer number (3790719513000).

Almost surely, 2^{20203131031222} is an apocalyptic number.

20203131031222 is a deficient number, since it is larger than the sum of its proper divisors (10122625072778).

20203131031222 is a wasteful number, since it uses less digits than its factorization.

20203131031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019852390.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20203131031222 its reverse (22213013130202), we get a palindrome (42416144161424).

The spelling of 20203131031222 in words is "twenty trillion, two hundred three billion, one hundred thirty-one million, thirty-one thousand, two hundred twenty-two".