1020200233131 has 24 divisors (see below), whose sum is σ = 1509534174720. Its totient is φ = 663593330736.

The previous prime is 1020200233127. The next prime is 1020200233163. The reversal of 1020200233131 is 1313320020201.

1020200233131 is a `hidden beast` number, since 102 + 0 + 200 + 2 + 331 + 31 = 666.

It is not a de Polignac number, because 1020200233131 - 2² = 1020200233127 is a prime.

It is a super-2 number, since 2×1020200233131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020200233121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1078611 + ... + 1789916.

It is an arithmetic number, because the mean of its divisors is an integer number (62897257280).

Almost surely, 2^{1020200233131} is an apocalyptic number.

1020200233131 is a deficient number, since it is larger than the sum of its proper divisors (489333941589).

1020200233131 is a wasteful number, since it uses less digits than its factorization.

1020200233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869495 (or 2869492 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1020200233131 its reverse (1313320020201), we get a palindrome (2333520253332).

The spelling of 1020200233131 in words is "one trillion, twenty billion, two hundred million, two hundred thirty-three thousand, one hundred thirty-one".