1351322503 has 32 divisors (see below), whose sum is σ = 1546257600. Its totient is φ = 1173159936.

The previous prime is 1351322501. The next prime is 1351322507. The reversal of 1351322503 is 3052231531.

It is not a de Polignac number, because 1351322503 - 2¹ = 1351322501 is a prime.

It is a super-2 number, since 2×1351322503² = 3652145014228370018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351322501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3303763 + ... + 3304171.

It is an arithmetic number, because the mean of its divisors is an integer number (48320550).

Almost surely, 2^1351322503 is an apocalyptic number.

1351322503 is a deficient number, since it is larger than the sum of its proper divisors (194935097).

1351322503 is a wasteful number, since it uses less digits than its factorization.

1351322503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1351322503 is about 36760.3387225961. The cubic root of 1351322503 is about 1105.5702312666.

The spelling of 1351322503 in words is "one billion, three hundred fifty-one million, three hundred twenty-two thousand, five hundred three".