1083145521431 has 2 divisors, whose sum is σ = 1083145521432. Its totient is φ = 1083145521430.

The previous prime is 1083145521421. The next prime is 1083145521439. The reversal of 1083145521431 is 1341255413801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1083145521431 is a prime.

It is a super-2 number, since 2×1083145521431² (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 (1083145521439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541572760715 + 541572760716.

It is an arithmetic number, because the mean of its divisors is an integer number (541572760716).

Almost surely, 2^{1083145521431} is an apocalyptic number.

1083145521431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083145521431 is an equidigital number, since it uses as much as digits as its factorization.

1083145521431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 1083145521431 in words is "one trillion, eighty-three billion, one hundred forty-five million, five hundred twenty-one thousand, four hundred thirty-one".