103231312002061 has 2 divisors, whose sum is σ = 103231312002062. Its totient is φ = 103231312002060.

The previous prime is 103231312002053. The next prime is 103231312002121. The reversal of 103231312002061 is 160200213132301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87148404879561 + 16082907122500 = 9335331^2 + 4010350^2 .

It is a cyclic number.

It is not a de Polignac number, because 103231312002061 - 2³ = 103231312002053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103231312002001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51615656001030 + 51615656001031.

It is an arithmetic number, because the mean of its divisors is an integer number (51615656001031).

Almost surely, 2^{103231312002061} is an apocalyptic number.

It is an amenable number.

103231312002061 is a deficient number, since it is larger than the sum of its proper divisors (1).

103231312002061 is an equidigital number, since it uses as much as digits as its factorization.

103231312002061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 103231312002061 its reverse (160200213132301), we get a palindrome (263431525134362).

The spelling of 103231312002061 in words is "one hundred three trillion, two hundred thirty-one billion, three hundred twelve million, two thousand, sixty-one".