354200431513 has 4 divisors (see below), whose sum is σ = 354205467748. Its totient is φ = 354195395280.

The previous prime is 354200431427. The next prime is 354200431537. The reversal of 354200431513 is 315134002453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315134002453 = 97 ⋅3248804149.

It can be written as a sum of positive squares in 2 ways, for example, as 209972899984 + 144227531529 = 458228^2 + 379773^2 .

It is a cyclic number.

It is not a de Polignac number, because 354200431513 - 2³⁷ = 216761478041 is a prime.

It is a super-3 number, since 3×354200431513³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354200431213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411106 + ... + 2553787.

It is an arithmetic number, because the mean of its divisors is an integer number (88551366937).

Almost surely, 2^354200431513 is an apocalyptic number.

It is an amenable number.

354200431513 is a deficient number, since it is larger than the sum of its proper divisors (5036235).

354200431513 is an equidigital number, since it uses as much as digits as its factorization.

354200431513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036234.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 354200431513 its reverse (315134002453), we get a palindrome (669334433966).

The spelling of 354200431513 in words is "three hundred fifty-four billion, two hundred million, four hundred thirty-one thousand, five hundred thirteen".