1345203351 has 6 divisors (see below), whose sum is σ = 1943071520. Its totient is φ = 896802228.

The previous prime is 1345203347. The next prime is 1345203371. The reversal of 1345203351 is 1533025431.

1345203351 is a `hidden beast` number, since 134 + 520 + 3 + 3 + 5 + 1 = 666.

It is not a de Polignac number, because 1345203351 - 2² = 1345203347 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 (1345203371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74733511 + ... + 74733528.

Almost surely, 2^1345203351 is an apocalyptic number.

1345203351 is a deficient number, since it is larger than the sum of its proper divisors (597868169).

1345203351 is a wasteful number, since it uses less digits than its factorization.

1345203351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149467045 (or 149467042 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1345203351 is about 36677.0139324346. The cubic root of 1345203351 is about 1103.8989328360.

Adding to 1345203351 its reverse (1533025431), we get a palindrome (2878228782).

The spelling of 1345203351 in words is "one billion, three hundred forty-five million, two hundred three thousand, three hundred fifty-one".