103030133257 has 2 divisors, whose sum is σ = 103030133258. Its totient is φ = 103030133256.

The previous prime is 103030133251. The next prime is 103030133263. The reversal of 103030133257 is 752331030301.

It is a balanced prime because it is at equal distance from previous prime (103030133251) and next prime (103030133263).

It can be written as a sum of positive squares in only one way, i.e., 90555253776 + 12474879481 = 300924^2 + 111691^2 .

It is an emirp because it is prime and its reverse (752331030301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103030133257 - 2³ = 103030133249 is a prime.

It is not a weakly prime, because it can be changed into another prime (103030133251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515066628 + 51515066629.

It is an arithmetic number, because the mean of its divisors is an integer number (51515066629).

Almost surely, 2^103030133257 is an apocalyptic number.

It is an amenable number.

103030133257 is a deficient number, since it is larger than the sum of its proper divisors (1).

103030133257 is an equidigital number, since it uses as much as digits as its factorization.

103030133257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 28.

Adding to 103030133257 its reverse (752331030301), we get a palindrome (855361163558).

The spelling of 103030133257 in words is "one hundred three billion, thirty million, one hundred thirty-three thousand, two hundred fifty-seven".