1124312431020 has 96 divisors (see below), whose sum is σ = 3237091673088. Its totient is φ = 291358570752.

The previous prime is 1124312431019. The next prime is 1124312431043. The reversal of 1124312431020 is 201342134211.

It is a super-2 number, since 2×1124312431020² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1519377 + ... + 2134743.

It is an arithmetic number, because the mean of its divisors is an integer number (33719704928).

Almost surely, 2^{1124312431020} is an apocalyptic number.

1124312431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124312431020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618545836544).

1124312431020 is an abundant number, since it is smaller than the sum of its proper divisors (2112779242068).

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

1124312431020 is a wasteful number, since it uses less digits than its factorization.

1124312431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616239 (or 616237 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1124312431020 its reverse (201342134211), we get a palindrome (1325654565231).

The spelling of 1124312431020 in words is "one trillion, one hundred twenty-four billion, three hundred twelve million, four hundred thirty-one thousand, twenty".