313040243044 has 6 divisors (see below), whose sum is σ = 547820425334. Its totient is φ = 156520121520.

The previous prime is 313040242979. The next prime is 313040243051. The reversal of 313040243044 is 440342040313.

It can be written as a sum of positive squares in only one way, i.e., 291124993600 + 21915249444 = 539560^2 + 148038^2 .

It is a super-3 number, since 3×313040243044³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39130030377 + ... + 39130030384.

Almost surely, 2^313040243044 is an apocalyptic number.

It is an amenable number.

313040243044 is a deficient number, since it is larger than the sum of its proper divisors (234780182290).

313040243044 is a wasteful number, since it uses less digits than its factorization.

313040243044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78260060765 (or 78260060763 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 313040243044 its reverse (440342040313), we get a palindrome (753382283357).

The spelling of 313040243044 in words is "three hundred thirteen billion, forty million, two hundred forty-three thousand, forty-four".