2203011001131 has 4 divisors (see below), whose sum is σ = 2937348001512. Its totient is φ = 1468674000752.

The previous prime is 2203011001111. The next prime is 2203011001193. The reversal of 2203011001131 is 1311001103022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2203011001131 - 2⁵ = 2203011001099 is a prime.

It is a super-2 number, since 2×2203011001131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2203011001131.

It is not an unprimeable number, because it can be changed into a prime (2203011001111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367168500186 + ... + 367168500191.

It is an arithmetic number, because the mean of its divisors is an integer number (734337000378).

Almost surely, 2^{2203011001131} is an apocalyptic number.

2203011001131 is a deficient number, since it is larger than the sum of its proper divisors (734337000381).

2203011001131 is an equidigital number, since it uses as much as digits as its factorization.

2203011001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734337000380.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2203011001131 its reverse (1311001103022), we get a palindrome (3514012104153).

The spelling of 2203011001131 in words is "two trillion, two hundred three billion, eleven million, one thousand, one hundred thirty-one".