2220103131949 has 2 divisors, whose sum is σ = 2220103131950. Its totient is φ = 2220103131948.

The previous prime is 2220103131941. The next prime is 2220103132007. The reversal of 2220103131949 is 9491313010222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1835401752900 + 384701379049 = 1354770^2 + 620243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220103131949 - 2³ = 2220103131941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220103131941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110051565974 + 1110051565975.

It is an arithmetic number, because the mean of its divisors is an integer number (1110051565975).

Almost surely, 2^{2220103131949} is an apocalyptic number.

It is an amenable number.

2220103131949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220103131949 is an equidigital number, since it uses as much as digits as its factorization.

2220103131949 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 37.

The spelling of 2220103131949 in words is "two trillion, two hundred twenty billion, one hundred three million, one hundred thirty-one thousand, nine hundred forty-nine".