313131103231130 has 16 divisors (see below), whose sum is σ = 568623914896104. Its totient is φ = 124144012608000.

The previous prime is 313131103231129. The next prime is 313131103231151. The reversal of 313131103231130 is 31132301131313.

It can be written as a sum of positive squares in 4 ways, for example, as 177078404740561 + 136052698490569 = 13307081^2 + 11664163^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 313131103231130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138553584371 + ... + 138553586630.

Almost surely, 2^{313131103231130} is an apocalyptic number.

313131103231130 is a deficient number, since it is larger than the sum of its proper divisors (255492811664974).

313131103231130 is a wasteful number, since it uses less digits than its factorization.

313131103231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277107171121.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 313131103231130 its reverse (31132301131313), we get a palindrome (344263404362443).

The spelling of 313131103231130 in words is "three hundred thirteen trillion, one hundred thirty-one billion, one hundred three million, two hundred thirty-one thousand, one hundred thirty".