31033001130 has 64 divisors (see below), whose sum is σ = 76206942720. Its totient is φ = 8085220416.

The previous prime is 31033001113. The next prime is 31033001149. The reversal of 31033001130 is 3110033013.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234729 + ... + 342291.

It is an arithmetic number, because the mean of its divisors is an integer number (1190733480).

Almost surely, 2^31033001130 is an apocalyptic number.

31033001130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31033001130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38103471360).

31033001130 is an abundant number, since it is smaller than the sum of its proper divisors (45173941590).

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

31033001130 is a wasteful number, since it uses less digits than its factorization.

31033001130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107795.

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 31033001130 its reverse (3110033013), we get a palindrome (34143034143).

The spelling of 31033001130 in words is "thirty-one billion, thirty-three million, one thousand, one hundred thirty".