20231029913 has 2 divisors, whose sum is σ = 20231029914. Its totient is φ = 20231029912.

The previous prime is 20231029831. The next prime is 20231030003. The reversal of 20231029913 is 31992013202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20096748169 + 134281744 = 141763^2 + 11588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20231029913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20231029913.

It is not a weakly prime, because it can be changed into another prime (20231229913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115514956 + 10115514957.

It is an arithmetic number, because the mean of its divisors is an integer number (10115514957).

Almost surely, 2^20231029913 is an apocalyptic number.

It is an amenable number.

20231029913 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231029913 is an equidigital number, since it uses as much as digits as its factorization.

20231029913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 20231029913 in words is "twenty billion, two hundred thirty-one million, twenty-nine thousand, nine hundred thirteen".