313131114242 has 8 divisors (see below), whose sum is σ = 469894279116. Its totient is φ = 156499687872.

The previous prime is 313131114199. The next prime is 313131114269. The reversal of 313131114242 is 242411131313.

It can be written as a sum of positive squares in 2 ways, for example, as 298803263641 + 14327850601 = 546629^2 + 119699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×313131114242³ (a number of 35 digits) contains 333 as substring.

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, 32928683 + ... + 32938190.

Almost surely, 2^313131114242 is an apocalyptic number.

313131114242 is a deficient number, since it is larger than the sum of its proper divisors (156763164874).

313131114242 is a wasteful number, since it uses less digits than its factorization.

313131114242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65869252.

The product of its digits is 1728, while the sum is 26.

Adding to 313131114242 its reverse (242411131313), we get a palindrome (555542245555).

The spelling of 313131114242 in words is "three hundred thirteen billion, one hundred thirty-one million, one hundred fourteen thousand, two hundred forty-two".