1031020032 has 80 divisors (see below), whose sum is σ = 3139120512. Its totient is φ = 294574080.

The previous prime is 1031020031. The next prime is 1031020033. The reversal of 1031020032 is 2300201301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1031020031) and next prime (1031020033).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031020031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37194 + ... + 58697.

Almost surely, 2^1031020032 is an apocalyptic number.

1031020032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031020032 is an abundant number, since it is smaller than the sum of its proper divisors (2108100480).

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

1031020032 is an frugal number, since it uses more digits than its factorization.

1031020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95919 (or 95903 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1031020032 is about 32109.5006501191. The cubic root of 1031020032 is about 1010.2349001070.

Adding to 1031020032 its reverse (2300201301), we get a palindrome (3331221333).

The spelling of 1031020032 in words is "one billion, thirty-one million, twenty thousand, thirty-two".