103311209977 has 2 divisors, whose sum is σ = 103311209978. Its totient is φ = 103311209976.

The previous prime is 103311209971. The next prime is 103311209999. The reversal of 103311209977 is 779902113301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84488467561 + 18822742416 = 290669^2 + 137196^2 .

It is a cyclic number.

It is not a de Polignac number, because 103311209977 - 2⁷ = 103311209849 is a prime.

It is a super-2 number, since 2×103311209977² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103311209971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51655604988 + 51655604989.

It is an arithmetic number, because the mean of its divisors is an integer number (51655604989).

Almost surely, 2^103311209977 is an apocalyptic number.

It is an amenable number.

103311209977 is a deficient number, since it is larger than the sum of its proper divisors (1).

103311209977 is an equidigital number, since it uses as much as digits as its factorization.

103311209977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 43.

The spelling of 103311209977 in words is "one hundred three billion, three hundred eleven million, two hundred nine thousand, nine hundred seventy-seven".