2505420332231 has 4 divisors (see below), whose sum is σ = 2506358343264. Its totient is φ = 2504482321200.

The previous prime is 2505420332189. The next prime is 2505420332249. The reversal of 2505420332231 is 1322330245052.

2505420332231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2505420332231 - 2²⁶ = 2505353223367 is a prime.

It is a super-3 number, since 3×2505420332231³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505420332131) 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, 469001510 + ... + 469006851.

It is an arithmetic number, because the mean of its divisors is an integer number (626589585816).

Almost surely, 2^{2505420332231} is an apocalyptic number.

2505420332231 is a deficient number, since it is larger than the sum of its proper divisors (938011033).

2505420332231 is an equidigital number, since it uses as much as digits as its factorization.

2505420332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938011032.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 2505420332231 its reverse (1322330245052), we get a palindrome (3827750577283).

The spelling of 2505420332231 in words is "two trillion, five hundred five billion, four hundred twenty million, three hundred thirty-two thousand, two hundred thirty-one".