1031987160 has 96 divisors (see below), whose sum is σ = 3364910640. Its totient is φ = 274298112.

The previous prime is 1031987153. The next prime is 1031987167. The reversal of 1031987160 is 617891301.

It is an interprime number because it is at equal distance from previous prime (1031987153) and next prime (1031987167).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031987167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109599 + ... + 118641.

Almost surely, 2^1031987160 is an apocalyptic number.

1031987160 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 1031987160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682455320).

1031987160 is an abundant number, since it is smaller than the sum of its proper divisors (2332923480).

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

1031987160 is a wasteful number, since it uses less digits than its factorization.

1031987160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377 (or 9370 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1031987160 is about 32124.5569619256. The cubic root of 1031987160 is about 1010.5506783634.

It can be divided in two parts, 10319 and 87160, that added together give a palindrome (97479).

The spelling of 1031987160 in words is "one billion, thirty-one million, nine hundred eighty-seven thousand, one hundred sixty".