10131111420 has 48 divisors (see below), whose sum is σ = 28386288000. Its totient is φ = 2699803456.

The previous prime is 10131111413. The next prime is 10131111433. The reversal of 10131111420 is 2411113101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10131111420.

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, 33619 + ... + 146261.

It is an arithmetic number, because the mean of its divisors is an integer number (591381000).

Almost surely, 2^10131111420 is an apocalyptic number.

10131111420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131111420 is an abundant number, since it is smaller than the sum of its proper divisors (18255176580).

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

10131111420 is a wasteful number, since it uses less digits than its factorization.

10131111420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114154 (or 114152 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 10131111420 its reverse (2411113101), we get a palindrome (12542224521).

The spelling of 10131111420 in words is "ten billion, one hundred thirty-one million, one hundred eleven thousand, four hundred twenty".