1313111321210 has 32 divisors (see below), whose sum is σ = 2567941624080. Its totient is φ = 480550468608.

The previous prime is 1313111321209. The next prime is 1313111321233. The reversal of 1313111321210 is 121231113131.

It can be written as a sum of positive squares in 8 ways, for example, as 379679024761 + 933432296449 = 616181^2 + 966143^2 .

It is a super-2 number, since 2×1313111321210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44679365 + ... + 44708744.

Almost surely, 2^{1313111321210} is an apocalyptic number.

1313111321210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313111321210 is a deficient number, since it is larger than the sum of its proper divisors (1254830302870).

1313111321210 is a wasteful number, since it uses less digits than its factorization.

1313111321210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89388242.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1313111321210 its reverse (121231113131), we get a palindrome (1434342434341).

The spelling of 1313111321210 in words is "one trillion, three hundred thirteen billion, one hundred eleven million, three hundred twenty-one thousand, two hundred ten".