356041431021 has 16 divisors (see below), whose sum is σ = 481332775040. Its totient is φ = 234056977920.

The previous prime is 356041431019. The next prime is 356041431029. The reversal of 356041431021 is 120134140653.

It is not a de Polignac number, because 356041431021 - 2¹ = 356041431019 is a prime.

It is a super-2 number, since 2×356041431021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 356041431021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356041431029) 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 in 15 ways as a sum of consecutive naturals, for example, 809781 + ... + 1169541.

It is an arithmetic number, because the mean of its divisors is an integer number (30083298440).

Almost surely, 2^356041431021 is an apocalyptic number.

It is an amenable number.

356041431021 is a deficient number, since it is larger than the sum of its proper divisors (125291344019).

356041431021 is a wasteful number, since it uses less digits than its factorization.

356041431021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364356.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 356041431021 its reverse (120134140653), we get a palindrome (476175571674).

The spelling of 356041431021 in words is "three hundred fifty-six billion, forty-one million, four hundred thirty-one thousand, twenty-one".