355420513331 has 16 divisors (see below), whose sum is σ = 400111923456. Its totient is φ = 313258557216.

The previous prime is 355420513271. The next prime is 355420513337. The reversal of 355420513331 is 133315024553.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 355420513331 - 2⁶ = 355420513267 is a prime.

It is a super-2 number, since 2×355420513331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355420513291 and 355420513300.

It is not an unprimeable number, because it can be changed into a prime (355420513337) 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 15 ways as a sum of consecutive naturals, for example, 887345 + ... + 1224018.

It is an arithmetic number, because the mean of its divisors is an integer number (25006995216).

Almost surely, 2^355420513331 is an apocalyptic number.

355420513331 is a deficient number, since it is larger than the sum of its proper divisors (44691410125).

355420513331 is a wasteful number, since it uses less digits than its factorization.

355420513331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111962.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 355420513331 its reverse (133315024553), we get a palindrome (488735537884).

The spelling of 355420513331 in words is "three hundred fifty-five billion, four hundred twenty million, five hundred thirteen thousand, three hundred thirty-one".