1013144200381 has 2 divisors, whose sum is σ = 1013144200382. Its totient is φ = 1013144200380.

The previous prime is 1013144200331. The next prime is 1013144200423. The reversal of 1013144200381 is 1830024413101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814219280281 + 198924920100 = 902341^2 + 446010^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013144200381 - 2³⁷ = 875705246909 is a prime.

It is a super-2 number, since 2×1013144200381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013144200331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506572100190 + 506572100191.

It is an arithmetic number, because the mean of its divisors is an integer number (506572100191).

Almost surely, 2^{1013144200381} is an apocalyptic number.

It is an amenable number.

1013144200381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013144200381 is an equidigital number, since it uses as much as digits as its factorization.

1013144200381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 1013144200381 its reverse (1830024413101), we get a palindrome (2843168613482).

The spelling of 1013144200381 in words is "one trillion, thirteen billion, one hundred forty-four million, two hundred thousand, three hundred eighty-one".