245100311171231 has 2 divisors, whose sum is σ = 245100311171232. Its totient is φ = 245100311171230.

The previous prime is 245100311171213. The next prime is 245100311171249. The reversal of 245100311171231 is 132171113001542.

Together with previous prime (245100311171213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (245100311171213) and next prime (245100311171249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245100311171231 is a prime.

It is a super-2 number, since 2×245100311171231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245100311171201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122550155585615 + 122550155585616.

It is an arithmetic number, because the mean of its divisors is an integer number (122550155585616).

Almost surely, 2^{245100311171231} is an apocalyptic number.

245100311171231 is a deficient number, since it is larger than the sum of its proper divisors (1).

245100311171231 is an equidigital number, since it uses as much as digits as its factorization.

245100311171231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 245100311171231 its reverse (132171113001542), we get a palindrome (377271424172773).

The spelling of 245100311171231 in words is "two hundred forty-five trillion, one hundred billion, three hundred eleven million, one hundred seventy-one thousand, two hundred thirty-one".