345011031 has 12 divisors (see below), whose sum is σ = 498610840. Its totient is φ = 229886640.

The previous prime is 345010993. The next prime is 345011041. The reversal of 345011031 is 130110543.

It is not a de Polignac number, because 345011031 - 2¹⁰ = 345010007 is a prime.

It is a super-2 number, since 2×345011031² = 238065223023365922, 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 = 345010995 and 345011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345011041) 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, 10185 + ... + 28173.

Almost surely, 2^345011031 is an apocalyptic number.

345011031 is a deficient number, since it is larger than the sum of its proper divisors (153599809).

345011031 is a wasteful number, since it uses less digits than its factorization.

345011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126 (or 20123 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 345011031 is about 18574.4725631712. The cubic root of 345011031 is about 701.3653833226.

Adding to 345011031 its reverse (130110543), we get a palindrome (475121574).

The spelling of 345011031 in words is "three hundred forty-five million, eleven thousand, thirty-one".