311430310121044 has 12 divisors (see below), whose sum is σ = 545029083426100. Its totient is φ = 155707714856448.

The previous prime is 311430310121011. The next prime is 311430310121131. The reversal of 311430310121044 is 440121013034113.

It can be written as a sum of positive squares in 2 ways, for example, as 257558203904400 + 53872106216644 = 16048620^2 + 7339762^2 .

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, 1859956839 + ... + 1860124270.

Almost surely, 2^{311430310121044} is an apocalyptic number.

It is an amenable number.

311430310121044 is a deficient number, since it is larger than the sum of its proper divisors (233598773305056).

311430310121044 is a wasteful number, since it uses less digits than its factorization.

311430310121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720102042 (or 3720102040 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 311430310121044 its reverse (440121013034113), we get a palindrome (751551323155157).

The spelling of 311430310121044 in words is "three hundred eleven trillion, four hundred thirty billion, three hundred ten million, one hundred twenty-one thousand, forty-four".