354123341531 has 2 divisors, whose sum is σ = 354123341532. Its totient is φ = 354123341530.

The previous prime is 354123341501. The next prime is 354123341543. The reversal of 354123341531 is 135143321453.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354123341531 is a prime.

It is a super-2 number, since 2×354123341531² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354123341491 and 354123341500.

It is not a weakly prime, because it can be changed into another prime (354123341501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177061670765 + 177061670766.

It is an arithmetic number, because the mean of its divisors is an integer number (177061670766).

Almost surely, 2^354123341531 is an apocalyptic number.

354123341531 is a deficient number, since it is larger than the sum of its proper divisors (1).

354123341531 is an equidigital number, since it uses as much as digits as its factorization.

354123341531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 35.

Adding to 354123341531 its reverse (135143321453), we get a palindrome (489266662984).

The spelling of 354123341531 in words is "three hundred fifty-four billion, one hundred twenty-three million, three hundred forty-one thousand, five hundred thirty-one".