103521130357 has 2 divisors, whose sum is σ = 103521130358. Its totient is φ = 103521130356.

The previous prime is 103521130351. The next prime is 103521130367. The reversal of 103521130357 is 753031125301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81772549681 + 21748580676 = 285959^2 + 147474^2 .

It is a cyclic number.

It is not a de Polignac number, because 103521130357 - 2³¹ = 101373646709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103521130351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51760565178 + 51760565179.

It is an arithmetic number, because the mean of its divisors is an integer number (51760565179).

Almost surely, 2^103521130357 is an apocalyptic number.

It is an amenable number.

103521130357 is a deficient number, since it is larger than the sum of its proper divisors (1).

103521130357 is an equidigital number, since it uses as much as digits as its factorization.

103521130357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 31.

Adding to 103521130357 its reverse (753031125301), we get a palindrome (856552255658).

The spelling of 103521130357 in words is "one hundred three billion, five hundred twenty-one million, one hundred thirty thousand, three hundred fifty-seven".