345130311 has 16 divisors (see below), whose sum is σ = 487945728. Its totient is φ = 216240000.

The previous prime is 345130301. The next prime is 345130337. The reversal of 345130311 is 113031543.

It is not a de Polignac number, because 345130311 - 2¹⁰ = 345129287 is a prime.

It is a super-3 number, since 3×345130311³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345130301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33796 + ... + 42806.

It is an arithmetic number, because the mean of its divisors is an integer number (30496608).

Almost surely, 2^345130311 is an apocalyptic number.

345130311 is a deficient number, since it is larger than the sum of its proper divisors (142815417).

345130311 is a wasteful number, since it uses less digits than its factorization.

345130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9782.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 345130311 is about 18577.6831440306. The cubic root of 345130311 is about 701.4462012445.

Adding to 345130311 its reverse (113031543), we get a palindrome (458161854).

The spelling of 345130311 in words is "three hundred forty-five million, one hundred thirty thousand, three hundred eleven".