1303223013131 has 16 divisors (see below), whose sum is σ = 1495869334848. Its totient is φ = 1124713728000.

The previous prime is 1303223013121. The next prime is 1303223013149. The reversal of 1303223013131 is 1313103223031.

It is a cyclic number.

It is not a de Polignac number, because 1303223013131 - 2²² = 1303218818827 is a prime.

It is a super-2 number, since 2×1303223013131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303223013097 and 1303223013106.

It is not an unprimeable number, because it can be changed into a prime (1303223013121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19492910 + ... + 19559651.

It is an arithmetic number, because the mean of its divisors is an integer number (93491833428).

Almost surely, 2^{1303223013131} is an apocalyptic number.

1303223013131 is a deficient number, since it is larger than the sum of its proper divisors (192646321717).

1303223013131 is a wasteful number, since it uses less digits than its factorization.

1303223013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39052742.

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

Adding to 1303223013131 its reverse (1313103223031), we get a palindrome (2616326236162).

The spelling of 1303223013131 in words is "one trillion, three hundred three billion, two hundred twenty-three million, thirteen thousand, one hundred thirty-one".