354401331 has 8 divisors (see below), whose sum is σ = 487778304. Its totient is φ = 228645960.

The previous prime is 354401321. The next prime is 354401339. The reversal of 354401331 is 133104453.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 354401331 - 2¹⁸ = 354139187 is a prime.

It is a super-2 number, since 2×354401331² = 251200606829143122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354401339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905291 + ... + 1905476.

It is an arithmetic number, because the mean of its divisors is an integer number (60972288).

Almost surely, 2^354401331 is an apocalyptic number.

354401331 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

354401331 is a deficient number, since it is larger than the sum of its proper divisors (133376973).

354401331 is a wasteful number, since it uses less digits than its factorization.

354401331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810801.

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

The square root of 354401331 is about 18825.5499521262. The cubic root of 354401331 is about 707.6716234706.

Adding to 354401331 its reverse (133104453), we get a palindrome (487505784).

The spelling of 354401331 in words is "three hundred fifty-four million, four hundred one thousand, three hundred thirty-one".