11401442443031 has 2 divisors, whose sum is σ = 11401442443032. Its totient is φ = 11401442443030.

The previous prime is 11401442442991. The next prime is 11401442443073. The reversal of 11401442443031 is 13034424410411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11401442443031 is a prime.

It is a super-2 number, since 2×11401442443031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11401442443091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700721221515 + 5700721221516.

It is an arithmetic number, because the mean of its divisors is an integer number (5700721221516).

Almost surely, 2^{11401442443031} is an apocalyptic number.

11401442443031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401442443031 is an equidigital number, since it uses as much as digits as its factorization.

11401442443031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 11401442443031 its reverse (13034424410411), we get a palindrome (24435866853442).

The spelling of 11401442443031 in words is "eleven trillion, four hundred one billion, four hundred forty-two million, four hundred forty-three thousand, thirty-one".