1401443100331 has 2 divisors, whose sum is σ = 1401443100332. Its totient is φ = 1401443100330.

The previous prime is 1401443100289. The next prime is 1401443100347. The reversal of 1401443100331 is 1330013441041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401443100331 - 2³¹ = 1399295616683 is a prime.

It is a super-2 number, since 2×1401443100331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401443100296 and 1401443100305.

It is not a weakly prime, because it can be changed into another prime (1401443100391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700721550165 + 700721550166.

It is an arithmetic number, because the mean of its divisors is an integer number (700721550166).

Almost surely, 2^{1401443100331} is an apocalyptic number.

1401443100331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401443100331 is an equidigital number, since it uses as much as digits as its factorization.

1401443100331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1401443100331 its reverse (1330013441041), we get a palindrome (2731456541372).

The spelling of 1401443100331 in words is "one trillion, four hundred one billion, four hundred forty-three million, one hundred thousand, three hundred thirty-one".