1313220033031 has 2 divisors, whose sum is σ = 1313220033032. Its totient is φ = 1313220033030.

The previous prime is 1313220032987. The next prime is 1313220033053. The reversal of 1313220033031 is 1303300223131.

It is an a-pointer prime, because the next prime (1313220033053) can be obtained adding 1313220033031 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313220033031 - 2¹³ = 1313220024839 is a prime.

It is a super-2 number, since 2×1313220033031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313220032993 and 1313220033011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313220033091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656610016515 + 656610016516.

It is an arithmetic number, because the mean of its divisors is an integer number (656610016516).

Almost surely, 2^{1313220033031} is an apocalyptic number.

1313220033031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313220033031 is an equidigital number, since it uses as much as digits as its factorization.

1313220033031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1313220033031 its reverse (1303300223131), we get a palindrome (2616520256162).

The spelling of 1313220033031 in words is "one trillion, three hundred thirteen billion, two hundred twenty million, thirty-three thousand, thirty-one".