31001033130 has 16 divisors (see below), whose sum is σ = 74402479584. Its totient is φ = 8266942160.

The previous prime is 31001033117. The next prime is 31001033149. The reversal of 31001033130 is 3133010013.

It is a super-2 number, since 2×31001033130² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516683856 + ... + 516683915.

It is an arithmetic number, because the mean of its divisors is an integer number (4650154974).

Almost surely, 2^31001033130 is an apocalyptic number.

31001033130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31001033130 is an abundant number, since it is smaller than the sum of its proper divisors (43401446454).

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

31001033130 is a wasteful number, since it uses less digits than its factorization.

31001033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033367781.

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

Adding to 31001033130 its reverse (3133010013), we get a palindrome (34134043143).

The spelling of 31001033130 in words is "thirty-one billion, one million, thirty-three thousand, one hundred thirty".