1201003231 has 2 divisors, whose sum is σ = 1201003232. Its totient is φ = 1201003230.

The previous prime is 1201003217. The next prime is 1201003241. The reversal of 1201003231 is 1323001021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201003231 - 2²³ = 1192614623 is a prime.

It is a super-2 number, since 2×1201003231² = 2884817521744878722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201003241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600501615 + 600501616.

It is an arithmetic number, because the mean of its divisors is an integer number (600501616).

Almost surely, 2^1201003231 is an apocalyptic number.

1201003231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201003231 is an equidigital number, since it uses as much as digits as its factorization.

1201003231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1201003231 is about 34655.4935183442. The cubic root of 1201003231 is about 1062.9546233669.

Adding to 1201003231 its reverse (1323001021), we get a palindrome (2524004252).

The spelling of 1201003231 in words is "one billion, two hundred one million, three thousand, two hundred thirty-one".