6131020500653 has 2 divisors, whose sum is σ = 6131020500654. Its totient is φ = 6131020500652.

The previous prime is 6131020500623. The next prime is 6131020500697. The reversal of 6131020500653 is 3560050201316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5685301365769 + 445719134884 = 2384387^2 + 667622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6131020500653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6131020500623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065510250326 + 3065510250327.

It is an arithmetic number, because the mean of its divisors is an integer number (3065510250327).

Almost surely, 2^{6131020500653} is an apocalyptic number.

It is an amenable number.

6131020500653 is a deficient number, since it is larger than the sum of its proper divisors (1).

6131020500653 is an equidigital number, since it uses as much as digits as its factorization.

6131020500653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 6131020500653 its reverse (3560050201316), we get a palindrome (9691070701969).

The spelling of 6131020500653 in words is "six trillion, one hundred thirty-one billion, twenty million, five hundred thousand, six hundred fifty-three".