1031232031020 has 36 divisors (see below), whose sum is σ = 3128070494640. Its totient is φ = 274995208224.

The previous prime is 1031232030953. The next prime is 1031232031057. The reversal of 1031232031020 is 201302321301.

1031232031020 is a `hidden beast` number, since 1 + 0 + 3 + 12 + 320 + 310 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 1031232030984 and 1031232031002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2864533240 + ... + 2864533599.

Almost surely, 2^{1031232031020} is an apocalyptic number.

1031232031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031232031020 is an abundant number, since it is smaller than the sum of its proper divisors (2096838463620).

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

1031232031020 is a wasteful number, since it uses less digits than its factorization.

1031232031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729066854 (or 5729066849 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1031232031020 its reverse (201302321301), we get a palindrome (1232534352321).

The spelling of 1031232031020 in words is "one trillion, thirty-one billion, two hundred thirty-two million, thirty-one thousand, twenty".