331943553145 has 16 divisors (see below), whose sum is σ = 409527594432. Its totient is φ = 258149828160.

The previous prime is 331943553101. The next prime is 331943553157. The reversal of 331943553145 is 541355349133.

It is a happy number.

It is not a de Polignac number, because 331943553145 - 2⁷ = 331943553017 is a prime.

It is a super-2 number, since 2×331943553145² (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 = 331943553095 and 331943553104.

It is an unprimeable number.

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, 3613222 + ... + 3703951.

It is an arithmetic number, because the mean of its divisors is an integer number (25595474652).

Almost surely, 2^331943553145 is an apocalyptic number.

It is an amenable number.

331943553145 is a deficient number, since it is larger than the sum of its proper divisors (77584041287).

331943553145 is a wasteful number, since it uses less digits than its factorization.

331943553145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317432.

The product of its digits is 1458000, while the sum is 46.

The spelling of 331943553145 in words is "three hundred thirty-one billion, nine hundred forty-three million, five hundred fifty-three thousand, one hundred forty-five".