2631020352436 has 12 divisors (see below), whose sum is σ = 5262040704928. Its totient is φ = 1127580151032.

The previous prime is 2631020352383. The next prime is 2631020352439. The reversal of 2631020352436 is 6342530201362.

2631020352436 is an admirable number.

It is a super-2 number, since 2×2631020352436² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2631020352395 and 2631020352404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631020352439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46982506266 + ... + 46982506321.

Almost surely, 2^{2631020352436} is an apocalyptic number.

It is an amenable number.

2631020352436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2631020352436 is a wasteful number, since it uses less digits than its factorization.

2631020352436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93965012598 (or 93965012596 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 2631020352436 its reverse (6342530201362), we get a palindrome (8973550553798).

The spelling of 2631020352436 in words is "two trillion, six hundred thirty-one billion, twenty million, three hundred fifty-two thousand, four hundred thirty-six".