349655031 has 72 divisors (see below), whose sum is σ = 595968048. Its totient is φ = 197472000.

The previous prime is 349655023. The next prime is 349655051. The reversal of 349655031 is 130556943.

It is not a de Polignac number, because 349655031 - 2³ = 349655023 is a prime.

It is a super-2 number, since 2×349655031² = 244517281407221922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349655021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3461881 + ... + 3461981.

It is an arithmetic number, because the mean of its divisors is an integer number (8277334).

Almost surely, 2^349655031 is an apocalyptic number.

349655031 is a deficient number, since it is larger than the sum of its proper divisors (246313017).

349655031 is a wasteful number, since it uses less digits than its factorization.

349655031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 349655031 is about 18699.0649766238. The cubic root of 349655031 is about 704.4982638015.

The spelling of 349655031 in words is "three hundred forty-nine million, six hundred fifty-five thousand, thirty-one".