331145010303540 has 48 divisors (see below), whose sum is σ = 927207456924672. Its totient is φ = 88305200073856.

The previous prime is 331145010303509. The next prime is 331145010303581. The reversal of 331145010303540 is 45303010541133.

It is a super-2 number, since 2×331145010303540² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 38601142 + ... + 46393298.

It is an arithmetic number, because the mean of its divisors is an integer number (19316822019264).

Almost surely, 2^{331145010303540} is an apocalyptic number.

331145010303540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331145010303540 is an abundant number, since it is smaller than the sum of its proper divisors (596062446621132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331145010303540 is a wasteful number, since it uses less digits than its factorization.

331145010303540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500456 (or 8500454 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 331145010303540 its reverse (45303010541133), we get a palindrome (376448020844673).

The spelling of 331145010303540 in words is "three hundred thirty-one trillion, one hundred forty-five billion, ten million, three hundred three thousand, five hundred forty".