1203140431 has 2 divisors, whose sum is σ = 1203140432. Its totient is φ = 1203140430.

The previous prime is 1203140417. The next prime is 1203140443. The reversal of 1203140431 is 1340413021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203140431 - 2⁵ = 1203140399 is a prime.

It is a super-2 number, since 2×1203140431² = 2895093793413731522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203140399 and 1203140408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203140831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601570215 + 601570216.

It is an arithmetic number, because the mean of its divisors is an integer number (601570216).

Almost surely, 2^1203140431 is an apocalyptic number.

1203140431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203140431 is an equidigital number, since it uses as much as digits as its factorization.

1203140431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1203140431 is about 34686.3147509216. The cubic root of 1203140431 is about 1063.5847633364.

Adding to 1203140431 its reverse (1340413021), we get a palindrome (2543553452).

The spelling of 1203140431 in words is "one billion, two hundred three million, one hundred forty thousand, four hundred thirty-one".