313143431242020 has 96 divisors (see below), whose sum is σ = 891547838536320. Its totient is φ = 82101656232960.

The previous prime is 313143431242007. The next prime is 313143431242027. The reversal of 313143431242020 is 20242134341313.

It is not an unprimeable number, because it can be changed into a prime (313143431242027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9118410 + ... + 26635169.

It is an arithmetic number, because the mean of its divisors is an integer number (9286956651420).

Almost surely, 2^{313143431242020} is an apocalyptic number.

313143431242020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313143431242020 is an abundant number, since it is smaller than the sum of its proper divisors (578404407294300).

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

313143431242020 is a wasteful number, since it uses less digits than its factorization.

313143431242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35756045 (or 35756043 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 313143431242020 its reverse (20242134341313), we get a palindrome (333385565583333).

The spelling of 313143431242020 in words is "three hundred thirteen trillion, one hundred forty-three billion, four hundred thirty-one million, two hundred forty-two thousand, twenty".