2256312201131 has 8 divisors (see below), whose sum is σ = 2269656483600. Its totient is φ = 2243000828160.

The previous prime is 2256312201097. The next prime is 2256312201161. The reversal of 2256312201131 is 1311022136522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2256312201131 - 2¹⁸ = 2256311938987 is a prime.

It is a super-2 number, since 2×2256312201131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2256312201094 and 2256312201103.

It is not an unprimeable number, because it can be changed into a prime (2256312201161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8089841 + ... + 8364098.

It is an arithmetic number, because the mean of its divisors is an integer number (283707060450).

Almost surely, 2^{2256312201131} is an apocalyptic number.

2256312201131 is a deficient number, since it is larger than the sum of its proper divisors (13344282469).

2256312201131 is a wasteful number, since it uses less digits than its factorization.

2256312201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16454749.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 2256312201131 its reverse (1311022136522), we get a palindrome (3567334337653).

The spelling of 2256312201131 in words is "two trillion, two hundred fifty-six billion, three hundred twelve million, two hundred one thousand, one hundred thirty-one".