2520830888731 has 4 divisors (see below), whose sum is σ = 2520835335000. Its totient is φ = 2520826442464.

The previous prime is 2520830888713. The next prime is 2520830888749. The reversal of 2520830888731 is 1378880380252.

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

It is an interprime number because it is at equal distance from previous prime (2520830888713) and next prime (2520830888749).

It is a cyclic number.

It is not a de Polignac number, because 2520830888731 - 2⁷ = 2520830888603 is a prime.

It is a super-2 number, since 2×2520830888731² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520830888791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222606 + ... + 2556643.

It is an arithmetic number, because the mean of its divisors is an integer number (630208833750).

Almost surely, 2^{2520830888731} is an apocalyptic number.

2520830888731 is a deficient number, since it is larger than the sum of its proper divisors (4446269).

2520830888731 is an equidigital number, since it uses as much as digits as its factorization.

2520830888731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446268.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 2520830888731 in words is "two trillion, five hundred twenty billion, eight hundred thirty million, eight hundred eighty-eight thousand, seven hundred thirty-one".