1303212403 has 2 divisors, whose sum is σ = 1303212404. Its totient is φ = 1303212402.

The previous prime is 1303212371. The next prime is 1303212457. The reversal of 1303212403 is 3042123031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303212403 - 2⁵ = 1303212371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303212103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651606201 + 651606202.

It is an arithmetic number, because the mean of its divisors is an integer number (651606202).

Almost surely, 2^1303212403 is an apocalyptic number.

1303212403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303212403 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 1303212403 = (3324201301)₉.

1303212403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1303212403 is about 36100.0332825331. The cubic root of 1303212403 is about 1092.2911163603.

Adding to 1303212403 its reverse (3042123031), we get a palindrome (4345335434).

The spelling of 1303212403 in words is "one billion, three hundred three million, two hundred twelve thousand, four hundred three".