10305561045431 has 4 divisors (see below), whose sum is σ = 10500005593512. Its totient is φ = 10111116497352.

The previous prime is 10305561045371. The next prime is 10305561045473. The reversal of 10305561045431 is 13454016550301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10305561045431 is a prime.

It is a super-2 number, since 2×10305561045431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305561065431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97222273961 + ... + 97222274066.

It is an arithmetic number, because the mean of its divisors is an integer number (2625001398378).

Almost surely, 2^{10305561045431} is an apocalyptic number.

10305561045431 is a deficient number, since it is larger than the sum of its proper divisors (194444548081).

10305561045431 is an equidigital number, since it uses as much as digits as its factorization.

10305561045431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194444548080.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 10305561045431 its reverse (13454016550301), we get a palindrome (23759577595732).

The spelling of 10305561045431 in words is "ten trillion, three hundred five billion, five hundred sixty-one million, forty-five thousand, four hundred thirty-one".