311321300121332 has 12 divisors (see below), whose sum is σ = 576860056107300. Its totient is φ = 146504141233536.

The previous prime is 311321300121313. The next prime is 311321300121421. The reversal of 311321300121332 is 233121003123113.

It can be written as a sum of positive squares in 2 ways, for example, as 243012992587876 + 68308307533456 = 15588874^2 + 8264884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2289127206707 + ... + 2289127206842.

It is an arithmetic number, because the mean of its divisors is an integer number (48071671342275).

Almost surely, 2^{311321300121332} is an apocalyptic number.

It is an amenable number.

311321300121332 is a deficient number, since it is larger than the sum of its proper divisors (265538755985968).

311321300121332 is a wasteful number, since it uses less digits than its factorization.

311321300121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578254413570 (or 4578254413568 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 311321300121332 its reverse (233121003123113), we get a palindrome (544442303244445).

The spelling of 311321300121332 in words is "three hundred eleven trillion, three hundred twenty-one billion, three hundred million, one hundred twenty-one thousand, three hundred thirty-two".