1541442402931 has 2 divisors, whose sum is σ = 1541442402932. Its totient is φ = 1541442402930.

The previous prime is 1541442402923. The next prime is 1541442402967. The reversal of 1541442402931 is 1392042441451.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1392042441451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1541442402931 - 2³ = 1541442402923 is a prime.

It is a super-2 number, since 2×1541442402931² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1541442402901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770721201465 + 770721201466.

It is an arithmetic number, because the mean of its divisors is an integer number (770721201466).

Almost surely, 2^{1541442402931} is an apocalyptic number.

1541442402931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541442402931 is an equidigital number, since it uses as much as digits as its factorization.

1541442402931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 1541442402931 in words is "one trillion, five hundred forty-one billion, four hundred forty-two million, four hundred two thousand, nine hundred thirty-one".