31130330123310 has 128 divisors (see below), whose sum is σ = 82884552334848. Its totient is φ = 7419127872000.

The previous prime is 31130330123287. The next prime is 31130330123341. The reversal of 31130330123310 is 1332103303113.

It is a super-2 number, since 2×31130330123310² (a number of 28 digits) contains 22 as substring.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 37982440 + ... + 38793380.

It is an arithmetic number, because the mean of its divisors is an integer number (647535565116).

Almost surely, 2^{31130330123310} is an apocalyptic number.

31130330123310 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 31130330123310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41442276167424).

31130330123310 is an abundant number, since it is smaller than the sum of its proper divisors (51754222211538).

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

31130330123310 is a wasteful number, since it uses less digits than its factorization.

31130330123310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812930.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 31130330123310 its reverse (1332103303113), we get a palindrome (32462433426423).

The spelling of 31130330123310 in words is "thirty-one trillion, one hundred thirty billion, three hundred thirty million, one hundred twenty-three thousand, three hundred ten".