351312311 has 12 divisors (see below), whose sum is σ = 411041592. Its totient is φ = 299377008.

The previous prime is 351312301. The next prime is 351312317. The reversal of 351312311 is 113213153.

It is a de Polignac number, because none of the positive numbers 2^k-351312311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351312317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12245 + ... + 29198.

It is an arithmetic number, because the mean of its divisors is an integer number (34253466).

Almost surely, 2^351312311 is an apocalyptic number.

351312311 is a deficient number, since it is larger than the sum of its proper divisors (59729281).

351312311 is a wasteful number, since it uses less digits than its factorization.

351312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41630 (or 41623 counting only the distinct ones).

The product of its digits is 270, while the sum is 20.

The square root of 351312311 is about 18743.3271059329. The cubic root of 351312311 is about 705.6095601606.

Adding to 351312311 its reverse (113213153), we get a palindrome (464525464).

The spelling of 351312311 in words is "three hundred fifty-one million, three hundred twelve thousand, three hundred eleven".