331020141240 has 32 divisors (see below), whose sum is σ = 993060424080. Its totient is φ = 88272037632.

The previous prime is 331020141229. The next prime is 331020141247. The reversal of 331020141240 is 42141020133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331020141247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379250469 + ... + 1379250708.

Almost surely, 2^331020141240 is an apocalyptic number.

331020141240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331020141240 is an abundant number, since it is smaller than the sum of its proper divisors (662040282840).

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

331020141240 is a wasteful number, since it uses less digits than its factorization.

331020141240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758501191 (or 2758501187 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 331020141240 its reverse (42141020133), we get a palindrome (373161161373).

The spelling of 331020141240 in words is "three hundred thirty-one billion, twenty million, one hundred forty-one thousand, two hundred forty".