10115531231330 has 128 divisors (see below), whose sum is σ = 22543710151680. Its totient is φ = 3191431541760.

The previous prime is 10115531231291. The next prime is 10115531231369. The reversal of 10115531231330 is 3313213551101.

It is an interprime number because it is at equal distance from previous prime (10115531231291) and next prime (10115531231369).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 10115531231293 and 10115531231302.

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, 12542060 + ... + 13324200.

It is an arithmetic number, because the mean of its divisors is an integer number (176122735560).

Almost surely, 2^{10115531231330} is an apocalyptic number.

10115531231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10115531231330 is an abundant number, since it is smaller than the sum of its proper divisors (12428178920350).

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

10115531231330 is a wasteful number, since it uses less digits than its factorization.

10115531231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782484.

The product of its (nonzero) digits is 4050, while the sum is 29.

Adding to 10115531231330 its reverse (3313213551101), we get a palindrome (13428744782431).

The spelling of 10115531231330 in words is "ten trillion, one hundred fifteen billion, five hundred thirty-one million, two hundred thirty-one thousand, three hundred thirty".