20203113201131 has 16 divisors (see below), whose sum is σ = 23258075812608. Its totient is φ = 17190691365600.

The previous prime is 20203113201119. The next prime is 20203113201137. The reversal of 20203113201131 is 13110231130202.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20203113201131 is a prime.

It is a super-2 number, since 2×20203113201131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20203113201137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13447985 + ... + 14874626.

It is an arithmetic number, because the mean of its divisors is an integer number (1453629738288).

Almost surely, 2^{20203113201131} is an apocalyptic number.

20203113201131 is a deficient number, since it is larger than the sum of its proper divisors (3054962611477).

20203113201131 is a wasteful number, since it uses less digits than its factorization.

20203113201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28323362.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20203113201131 its reverse (13110231130202), we get a palindrome (33313344331333).

The spelling of 20203113201131 in words is "twenty trillion, two hundred three billion, one hundred thirteen million, two hundred one thousand, one hundred thirty-one".