1203301323131 has 2 divisors, whose sum is σ = 1203301323132. Its totient is φ = 1203301323130.

The previous prime is 1203301323127. The next prime is 1203301323151. The reversal of 1203301323131 is 1313231033021.

It is a weak prime.

It is an emirp because it is prime and its reverse (1313231033021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203301323131 - 2² = 1203301323127 is a prime.

It is a super-2 number, since 2×1203301323131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203301323097 and 1203301323106.

It is not a weakly prime, because it can be changed into another prime (1203301323151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601650661565 + 601650661566.

It is an arithmetic number, because the mean of its divisors is an integer number (601650661566).

Almost surely, 2^{1203301323131} is an apocalyptic number.

1203301323131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203301323131 is an equidigital number, since it uses as much as digits as its factorization.

1203301323131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1203301323131 its reverse (1313231033021), we get a palindrome (2516532356152).

The spelling of 1203301323131 in words is "one trillion, two hundred three billion, three hundred one million, three hundred twenty-three thousand, one hundred thirty-one".