100311412381 has 2 divisors, whose sum is σ = 100311412382. Its totient is φ = 100311412380.

The previous prime is 100311412291. The next prime is 100311412459. The reversal of 100311412381 is 183214113001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85644022500 + 14667389881 = 292650^2 + 121109^2 .

It is an emirp because it is prime and its reverse (183214113001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100311412381 - 2⁹ = 100311411869 is a prime.

It is a super-2 number, since 2×100311412381² (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 (100311412081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50155706190 + 50155706191.

It is an arithmetic number, because the mean of its divisors is an integer number (50155706191).

Almost surely, 2^100311412381 is an apocalyptic number.

It is an amenable number.

100311412381 is a deficient number, since it is larger than the sum of its proper divisors (1).

100311412381 is an equidigital number, since it uses as much as digits as its factorization.

100311412381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 100311412381 its reverse (183214113001), we get a palindrome (283525525382).

The spelling of 100311412381 in words is "one hundred billion, three hundred eleven million, four hundred twelve thousand, three hundred eighty-one".