113312312020 has 12 divisors (see below), whose sum is σ = 237955855284. Its totient is φ = 45324924800.

The previous prime is 113312311963. The next prime is 113312312033. The reversal of 113312312020 is 20213213311.

It can be written as a sum of positive squares in 2 ways, for example, as 36137249604 + 77175062416 = 190098^2 + 277804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2832807781 + ... + 2832807820.

It is an arithmetic number, because the mean of its divisors is an integer number (19829654607).

Almost surely, 2^113312312020 is an apocalyptic number.

113312312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113312312020 is an abundant number, since it is smaller than the sum of its proper divisors (124643543264).

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

113312312020 is a wasteful number, since it uses less digits than its factorization.

113312312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665615610 (or 5665615608 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113312312020 its reverse (20213213311), we get a palindrome (133525525331).

The spelling of 113312312020 in words is "one hundred thirteen billion, three hundred twelve million, three hundred twelve thousand, twenty".