2431311102 has 24 divisors (see below), whose sum is σ = 5746735800. Its totient is φ = 736760880.

The previous prime is 2431311089. The next prime is 2431311109. The reversal of 2431311102 is 2011131342.

It is a super-2 number, since 2×2431311102² = 11822547349416908808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431311109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6139477 + ... + 6139872.

It is an arithmetic number, because the mean of its divisors is an integer number (239447325).

Almost surely, 2^2431311102 is an apocalyptic number.

2431311102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2431311102 is an abundant number, since it is smaller than the sum of its proper divisors (3315424698).

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

2431311102 is a wasteful number, since it uses less digits than its factorization.

2431311102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12279368 (or 12279365 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2431311102 is about 49308.3269032726. The cubic root of 2431311102 is about 1344.6631738570.

Adding to 2431311102 its reverse (2011131342), we get a palindrome (4442442444).

The spelling of 2431311102 in words is "two billion, four hundred thirty-one million, three hundred eleven thousand, one hundred two".