1013331132 has 36 divisors (see below), whose sum is σ = 2794338456. Its totient is φ = 307069920.

The previous prime is 1013331119. The next prime is 1013331149. The reversal of 1013331132 is 2311333101.

It is a happy number.

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 congruent number.

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, 1279063 + ... + 1279854.

Almost surely, 2^1013331132 is an apocalyptic number.

1013331132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1013331132 is an abundant number, since it is smaller than the sum of its proper divisors (1781007324).

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

1013331132 is a wasteful number, since it uses less digits than its factorization.

1013331132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558938 (or 2558933 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1013331132 is about 31832.8624537600. The cubic root of 1013331132 is about 1004.4241090617.

Adding to 1013331132 its reverse (2311333101), we get a palindrome (3324664233).

The spelling of 1013331132 in words is "one billion, thirteen million, three hundred thirty-one thousand, one hundred thirty-two".