303198136061 has 2 divisors, whose sum is σ = 303198136062. Its totient is φ = 303198136060.

The previous prime is 303198136057. The next prime is 303198136079. The reversal of 303198136061 is 160631891303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236424475225 + 66773660836 = 486235^2 + 258406^2 .

It is a cyclic number.

It is not a de Polignac number, because 303198136061 - 2² = 303198136057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (303198136051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151599068030 + 151599068031.

It is an arithmetic number, because the mean of its divisors is an integer number (151599068031).

Almost surely, 2^303198136061 is an apocalyptic number.

It is an amenable number.

303198136061 is a deficient number, since it is larger than the sum of its proper divisors (1).

303198136061 is an equidigital number, since it uses as much as digits as its factorization.

303198136061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 303198136061 in words is "three hundred three billion, one hundred ninety-eight million, one hundred thirty-six thousand, sixty-one".