1315105403 has 2 divisors, whose sum is σ = 1315105404. Its totient is φ = 1315105402.

The previous prime is 1315105391. The next prime is 1315105433. The reversal of 1315105403 is 3045015131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1315105403 - 2¹⁶ = 1315039867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315105433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657552701 + 657552702.

It is an arithmetic number, because the mean of its divisors is an integer number (657552702).

Almost surely, 2^1315105403 is an apocalyptic number.

1315105403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315105403 is an equidigital number, since it uses as much as digits as its factorization.

1315105403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1315105403 is about 36264.3820159671. The cubic root of 1315105403 is about 1095.6037767478.

The spelling of 1315105403 in words is "one billion, three hundred fifteen million, one hundred five thousand, four hundred three".