13223031049 has 2 divisors, whose sum is σ = 13223031050. Its totient is φ = 13223031048.

The previous prime is 13223031043. The next prime is 13223031071. The reversal of 13223031049 is 94013032231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13171693824 + 51337225 = 114768^2 + 7165^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223031049 - 2¹⁵ = 13222998281 is a prime.

It is not a weakly prime, because it can be changed into another prime (13223031043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611515524 + 6611515525.

It is an arithmetic number, because the mean of its divisors is an integer number (6611515525).

Almost surely, 2^13223031049 is an apocalyptic number.

It is an amenable number.

13223031049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223031049 is an equidigital number, since it uses as much as digits as its factorization.

13223031049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 13223031049 in words is "thirteen billion, two hundred twenty-three million, thirty-one thousand, forty-nine".