1331203311210 has 64 divisors (see below), whose sum is σ = 3390225363072. Its totient is φ = 333374785536.

The previous prime is 1331203311203. The next prime is 1331203311241. The reversal of 1331203311210 is 121133021331.

It is a happy number.

It is a super-2 number, since 2×1331203311210² (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 31 ways as a sum of consecutive naturals, for example, 2622732 + ... + 3088871.

It is an arithmetic number, because the mean of its divisors is an integer number (52972271298).

Almost surely, 2^{1331203311210} is an apocalyptic number.

1331203311210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331203311210 is an abundant number, since it is smaller than the sum of its proper divisors (2059022051862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331203311210 is a wasteful number, since it uses less digits than its factorization.

1331203311210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712087.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1331203311210 its reverse (121133021331), we get a palindrome (1452336332541).

The spelling of 1331203311210 in words is "one trillion, three hundred thirty-one billion, two hundred three million, three hundred eleven thousand, two hundred ten".