110312210381 has 2 divisors, whose sum is σ = 110312210382. Its totient is φ = 110312210380.

The previous prime is 110312210329. The next prime is 110312210413. The reversal of 110312210381 is 183012213011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68151801481 + 42160408900 = 261059^2 + 205330^2 .

It is a cyclic number.

It is not a de Polignac number, because 110312210381 - 2²⁶ = 110245101517 is a prime.

It is a super-2 number, since 2×110312210381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110312210581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55156105190 + 55156105191.

It is an arithmetic number, because the mean of its divisors is an integer number (55156105191).

Almost surely, 2^110312210381 is an apocalyptic number.

It is an amenable number.

110312210381 is a deficient number, since it is larger than the sum of its proper divisors (1).

110312210381 is an equidigital number, since it uses as much as digits as its factorization.

110312210381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 110312210381 its reverse (183012213011), we get a palindrome (293324423392).

The spelling of 110312210381 in words is "one hundred ten billion, three hundred twelve million, two hundred ten thousand, three hundred eighty-one".