31232212310130 has 128 divisors (see below), whose sum is σ = 81251776843776. Its totient is φ = 7637645126400.

The previous prime is 31232212310099. The next prime is 31232212310141. The reversal of 31232212310130 is 3101321223213.

It is a super-2 number, since 2×31232212310130² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31232212310130.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117818035 + ... + 118082825.

It is an arithmetic number, because the mean of its divisors is an integer number (634779506592).

Almost surely, 2^{31232212310130} is an apocalyptic number.

31232212310130 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 31232212310130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40625888421888).

31232212310130 is an abundant number, since it is smaller than the sum of its proper divisors (50019564533646).

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

31232212310130 is a wasteful number, since it uses less digits than its factorization.

31232212310130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266792.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31232212310130 its reverse (3101321223213), we get a palindrome (34333533533343).

The spelling of 31232212310130 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred twelve million, three hundred ten thousand, one hundred thirty".