103503214531 has 2 divisors, whose sum is σ = 103503214532. Its totient is φ = 103503214530.

The previous prime is 103503214481. The next prime is 103503214537. The reversal of 103503214531 is 135412305301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103503214531 - 2⁷ = 103503214403 is a prime.

It is a super-2 number, since 2×103503214531² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103503214531.

It is not a weakly prime, because it can be changed into another prime (103503214537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51751607265 + 51751607266.

It is an arithmetic number, because the mean of its divisors is an integer number (51751607266).

Almost surely, 2^103503214531 is an apocalyptic number.

103503214531 is a deficient number, since it is larger than the sum of its proper divisors (1).

103503214531 is an equidigital number, since it uses as much as digits as its factorization.

103503214531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 103503214531 its reverse (135412305301), we get a palindrome (238915519832).

The spelling of 103503214531 in words is "one hundred three billion, five hundred three million, two hundred fourteen thousand, five hundred thirty-one".