351313131 has 8 divisors (see below), whose sum is σ = 504449680. Its totient is φ = 216192672.

The previous prime is 351313129. The next prime is 351313141. The reversal of 351313131 is 131313153.

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

It is not a de Polignac number, because 351313131 - 2¹ = 351313129 is a prime.

It is a super-2 number, since 2×351313131² = 246841832026046322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 351313098 and 351313107.

It is not an unprimeable number, because it can be changed into a prime (351313141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4503976 + ... + 4504053.

It is an arithmetic number, because the mean of its divisors is an integer number (63056210).

Almost surely, 2^351313131 is an apocalyptic number.

351313131 is a deficient number, since it is larger than the sum of its proper divisors (153136549).

351313131 is a wasteful number, since it uses less digits than its factorization.

351313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008045.

The product of its digits is 405, while the sum is 21.

The square root of 351313131 is about 18743.3489803717. The cubic root of 351313131 is about 705.6101091493.

Adding to 351313131 its reverse (131313153), we get a palindrome (482626284).

The spelling of 351313131 in words is "three hundred fifty-one million, three hundred thirteen thousand, one hundred thirty-one".