350420631 has 24 divisors (see below), whose sum is σ = 521922816. Its totient is φ = 207401040.

The previous prime is 350420627. The next prime is 350420641. The reversal of 350420631 is 136024053.

It is a happy number.

It is not a de Polignac number, because 350420631 - 2² = 350420627 is a prime.

It is a super-2 number, since 2×350420631² = 245589237260876322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350420641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58146 + ... + 63888.

It is an arithmetic number, because the mean of its divisors is an integer number (21746784).

Almost surely, 2^350420631 is an apocalyptic number.

350420631 is a deficient number, since it is larger than the sum of its proper divisors (171502185).

350420631 is a wasteful number, since it uses less digits than its factorization.

350420631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843 (or 5800 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 350420631 is about 18719.5253946247. The cubic root of 350420631 is about 705.0120756445.

Adding to 350420631 its reverse (136024053), we get a palindrome (486444684).

The spelling of 350420631 in words is "three hundred fifty million, four hundred twenty thousand, six hundred thirty-one".