2520202463431 has 2 divisors, whose sum is σ = 2520202463432. Its totient is φ = 2520202463430.

The previous prime is 2520202463419. The next prime is 2520202463459. The reversal of 2520202463431 is 1343642020252.

2520202463431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520202463431 - 2⁵ = 2520202463399 is a prime.

It is a super-2 number, since 2×2520202463431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520202463411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260101231715 + 1260101231716.

It is an arithmetic number, because the mean of its divisors is an integer number (1260101231716).

Almost surely, 2^{2520202463431} is an apocalyptic number.

2520202463431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520202463431 is an equidigital number, since it uses as much as digits as its factorization.

2520202463431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 2520202463431 its reverse (1343642020252), we get a palindrome (3863844483683).

The spelling of 2520202463431 in words is "two trillion, five hundred twenty billion, two hundred two million, four hundred sixty-three thousand, four hundred thirty-one".