345311332 has 6 divisors (see below), whose sum is σ = 604294838. Its totient is φ = 172655664.

The previous prime is 345311279. The next prime is 345311347. The reversal of 345311332 is 233113543.

It can be written as a sum of positive squares in only one way, i.e., 272448036 + 72863296 = 16506^2 + 8536^2 .

It is a super-2 number, since 2×345311332² = 238479832015228448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345311297 and 345311306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43163913 + ... + 43163920.

Almost surely, 2^345311332 is an apocalyptic number.

It is an amenable number.

345311332 is a deficient number, since it is larger than the sum of its proper divisors (258983506).

345311332 is a wasteful number, since it uses less digits than its factorization.

345311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86327837 (or 86327835 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 345311332 is about 18582.5545068486. The cubic root of 345311332 is about 701.5688160902.

Adding to 345311332 its reverse (233113543), we get a palindrome (578424875).

The spelling of 345311332 in words is "three hundred forty-five million, three hundred eleven thousand, three hundred thirty-two".