31023323232061 has 2 divisors, whose sum is σ = 31023323232062. Its totient is φ = 31023323232060.

The previous prime is 31023323232023. The next prime is 31023323232071. The reversal of 31023323232061 is 16023232332013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22749036464025 + 8274286768036 = 4769595^2 + 2876506^2 .

It is a cyclic number.

It is not a de Polignac number, because 31023323232061 - 2³⁵ = 30988963493693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31023323232001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511661616030 + 15511661616031.

It is an arithmetic number, because the mean of its divisors is an integer number (15511661616031).

Almost surely, 2^{31023323232061} is an apocalyptic number.

It is an amenable number.

31023323232061 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023323232061 is an equidigital number, since it uses as much as digits as its factorization.

31023323232061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 31023323232061 its reverse (16023232332013), we get a palindrome (47046555564074).

The spelling of 31023323232061 in words is "thirty-one trillion, twenty-three billion, three hundred twenty-three million, two hundred thirty-two thousand, sixty-one".