10031201381 has 2 divisors, whose sum is σ = 10031201382. Its totient is φ = 10031201380.

The previous prime is 10031201317. The next prime is 10031201431. The reversal of 10031201381 is 18310213001.

10031201381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8093881156 + 1937320225 = 89966^2 + 44015^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031201381 - 2⁶ = 10031201317 is a prime.

It is a super-2 number, since 2×10031201381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031201311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015600690 + 5015600691.

It is an arithmetic number, because the mean of its divisors is an integer number (5015600691).

Almost surely, 2^10031201381 is an apocalyptic number.

It is an amenable number.

10031201381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031201381 is an equidigital number, since it uses as much as digits as its factorization.

10031201381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10031201381 its reverse (18310213001), we get a palindrome (28341414382).

The spelling of 10031201381 in words is "ten billion, thirty-one million, two hundred one thousand, three hundred eighty-one".