113231401420 has 24 divisors (see below), whose sum is σ = 237811379904. Its totient is φ = 45287715456.

The previous prime is 113231401411. The next prime is 113231401421. The reversal of 113231401420 is 24104132311.

It is a junction number, because it is equal to n+sod(n) for n = 113231401391 and 113231401400.

It is not an unprimeable number, because it can be changed into a prime (113231401421) 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, 108132 + ... + 488011.

It is an arithmetic number, because the mean of its divisors is an integer number (9908807496).

Almost surely, 2^113231401420 is an apocalyptic number.

113231401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113231401420 is an abundant number, since it is smaller than the sum of its proper divisors (124579978484).

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

113231401420 is a wasteful number, since it uses less digits than its factorization.

113231401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605649 (or 605647 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 113231401420 its reverse (24104132311), we get a palindrome (137335533731).

The spelling of 113231401420 in words is "one hundred thirteen billion, two hundred thirty-one million, four hundred one thousand, four hundred twenty".