1303233137 has 2 divisors, whose sum is σ = 1303233138. Its totient is φ = 1303233136.

The previous prime is 1303233131. The next prime is 1303233179. The reversal of 1303233137 is 7313323031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1302415921 + 817216 = 36089^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303233137 - 2²⁰ = 1302184561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303233131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651616568 + 651616569.

It is an arithmetic number, because the mean of its divisors is an integer number (651616569).

Almost surely, 2^1303233137 is an apocalyptic number.

It is an amenable number.

1303233137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303233137 is an equidigital number, since it uses as much as digits as its factorization.

1303233137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 26.

The square root of 1303233137 is about 36100.3204556414. The cubic root of 1303233137 is about 1092.2969090829.

Adding to 1303233137 its reverse (7313323031), we get a palindrome (8616556168).

The spelling of 1303233137 in words is "one billion, three hundred three million, two hundred thirty-three thousand, one hundred thirty-seven".