1303220000031 has 16 divisors (see below), whose sum is σ = 1784783326944. Its totient is φ = 845240102784.

The previous prime is 1303220000021. The next prime is 1303220000057. The reversal of 1303220000031 is 1300000223031.

It is not a de Polignac number, because 1303220000031 - 2⁵ = 1303219999999 is a prime.

It is a super-2 number, since 2×1303220000031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303220000021) 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, 396961 + ... + 1662533.

It is an arithmetic number, because the mean of its divisors is an integer number (111548957934).

Almost surely, 2^{1303220000031} is an apocalyptic number.

1303220000031 is a deficient number, since it is larger than the sum of its proper divisors (481563326913).

1303220000031 is a wasteful number, since it uses less digits than its factorization.

1303220000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274890.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1303220000031 its reverse (1300000223031), we get a palindrome (2603220223062).

The spelling of 1303220000031 in words is "one trillion, three hundred three billion, two hundred twenty million, thirty-one", and thus it is an aban number.