354520131 has 16 divisors (see below), whose sum is σ = 540632064. Its totient is φ = 202428864.

The previous prime is 354520109. The next prime is 354520147. The reversal of 354520131 is 131025453.

It is not a de Polignac number, because 354520131 - 2²¹ = 352422979 is a prime.

It is a super-2 number, since 2×354520131² = 251369046568514322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (354520931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25551 + ... + 36903.

It is an arithmetic number, because the mean of its divisors is an integer number (33789504).

Almost surely, 2^354520131 is an apocalyptic number.

354520131 is a deficient number, since it is larger than the sum of its proper divisors (186111933).

354520131 is a wasteful number, since it uses less digits than its factorization.

354520131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12850.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 354520131 is about 18828.7049740549. The cubic root of 354520131 is about 707.7506882570.

Adding to 354520131 its reverse (131025453), we get a palindrome (485545584).

The spelling of 354520131 in words is "three hundred fifty-four million, five hundred twenty thousand, one hundred thirty-one".