100430231310161 has 2 divisors, whose sum is σ = 100430231310162. Its totient is φ = 100430231310160.

The previous prime is 100430231310131. The next prime is 100430231310223. The reversal of 100430231310161 is 161013132034001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79462248505600 + 20967982804561 = 8914160^2 + 4579081^2 .

It is a cyclic number.

It is not a de Polignac number, because 100430231310161 - 2⁴⁶ = 30061487132497 is a prime.

It is a super-2 number, since 2×100430231310161² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100430231310161.

It is not a weakly prime, because it can be changed into another prime (100430231310131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50215115655080 + 50215115655081.

It is an arithmetic number, because the mean of its divisors is an integer number (50215115655081).

Almost surely, 2^{100430231310161} is an apocalyptic number.

It is an amenable number.

100430231310161 is a deficient number, since it is larger than the sum of its proper divisors (1).

100430231310161 is an equidigital number, since it uses as much as digits as its factorization.

100430231310161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 100430231310161 its reverse (161013132034001), we get a palindrome (261443363344162).

The spelling of 100430231310161 in words is "one hundred trillion, four hundred thirty billion, two hundred thirty-one million, three hundred ten thousand, one hundred sixty-one".