1032131131020 has 144 divisors (see below), whose sum is σ = 3415898068128. Its totient is φ = 250178273280.

The previous prime is 1032131131019. The next prime is 1032131131039. The reversal of 1032131131020 is 201311312301.

1032131131020 is a `hidden beast` number, since 1 + 0 + 3 + 21 + 311 + 310 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1032131130984 and 1032131131002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15682422 + ... + 15748098.

It is an arithmetic number, because the mean of its divisors is an integer number (23721514362).

Almost surely, 2^{1032131131020} is an apocalyptic number.

1032131131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032131131020 is an abundant number, since it is smaller than the sum of its proper divisors (2383766937108).

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

1032131131020 is a wasteful number, since it uses less digits than its factorization.

1032131131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73640 (or 73635 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1032131131020 its reverse (201311312301), we get a palindrome (1233442443321).

The spelling of 1032131131020 in words is "one trillion, thirty-two billion, one hundred thirty-one million, one hundred thirty-one thousand, twenty".