1213303131310 has 32 divisors (see below), whose sum is σ = 2313402418080. Its totient is φ = 456577508352.

The previous prime is 1213303131269. The next prime is 1213303131323. The reversal of 1213303131310 is 131313033121.

It is a super-2 number, since 2×1213303131310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128039 + ... + 1923298.

It is an arithmetic number, because the mean of its divisors is an integer number (72293825565).

Almost surely, 2^{1213303131310} is an apocalyptic number.

1213303131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213303131310 is a deficient number, since it is larger than the sum of its proper divisors (1100099286770).

1213303131310 is a wasteful number, since it uses less digits than its factorization.

1213303131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053700.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1213303131310 its reverse (131313033121), we get a palindrome (1344616164431).

The spelling of 1213303131310 in words is "one trillion, two hundred thirteen billion, three hundred three million, one hundred thirty-one thousand, three hundred ten".