1351263101 has 2 divisors, whose sum is σ = 1351263102. Its totient is φ = 1351263100.

The previous prime is 1351263079. The next prime is 1351263103. The reversal of 1351263101 is 1013621531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762036025 + 589227076 = 27605^2 + 24274^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351263101 - 2²⁶ = 1284154237 is a prime.

Together with 1351263103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351263103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675631550 + 675631551.

It is an arithmetic number, because the mean of its divisors is an integer number (675631551).

Almost surely, 2^1351263101 is an apocalyptic number.

It is an amenable number.

1351263101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351263101 is an equidigital number, since it uses as much as digits as its factorization.

1351263101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1351263101 is about 36759.5307505414. The cubic root of 1351263101 is about 1105.5540313230.

Adding to 1351263101 its reverse (1013621531), we get a palindrome (2364884632).

The spelling of 1351263101 in words is "one billion, three hundred fifty-one million, two hundred sixty-three thousand, one hundred one".