1203312349 has 2 divisors, whose sum is σ = 1203312350. Its totient is φ = 1203312348.

The previous prime is 1203312317. The next prime is 1203312353. The reversal of 1203312349 is 9432133021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790003449 + 413308900 = 28107^2 + 20330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203312349 - 2⁵ = 1203312317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203312359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601656174 + 601656175.

It is an arithmetic number, because the mean of its divisors is an integer number (601656175).

Almost surely, 2^1203312349 is an apocalyptic number.

It is an amenable number.

1203312349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203312349 is an equidigital number, since it uses as much as digits as its factorization.

1203312349 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 square root of 1203312349 is about 34688.7928443755. The cubic root of 1203312349 is about 1063.6354198384.

The spelling of 1203312349 in words is "one billion, two hundred three million, three hundred twelve thousand, three hundred forty-nine".