1203301313101 has 2 divisors, whose sum is σ = 1203301313102. Its totient is φ = 1203301313100.

The previous prime is 1203301313099. The next prime is 1203301313113. The reversal of 1203301313101 is 1013131033021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067969297476 + 135332015625 = 1033426^2 + 367875^2 .

It is an emirp because it is prime and its reverse (1013131033021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203301313101 - 2¹ = 1203301313099 is a prime.

It is a super-2 number, since 2×1203301313101² (a number of 25 digits) contains 22 as substring.

Together with 1203301313099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203301313171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601650656550 + 601650656551.

It is an arithmetic number, because the mean of its divisors is an integer number (601650656551).

Almost surely, 2^{1203301313101} is an apocalyptic number.

It is an amenable number.

1203301313101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203301313101 is an equidigital number, since it uses as much as digits as its factorization.

1203301313101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1203301313101 its reverse (1013131033021), we get a palindrome (2216432346122).

The spelling of 1203301313101 in words is "one trillion, two hundred three billion, three hundred one million, three hundred thirteen thousand, one hundred one".