2102342303240 has 16 divisors (see below), whose sum is σ = 4730270182380. Its totient is φ = 840936921280.

The previous prime is 2102342303227. The next prime is 2102342303261. The reversal of 2102342303240 is 423032432012.

It can be written as a sum of positive squares in 2 ways, for example, as 1815481370404 + 286860932836 = 1347398^2 + 535594^2 .

It is a super-2 number, since 2×2102342303240² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26279278751 + ... + 26279278830.

Almost surely, 2^{2102342303240} is an apocalyptic number.

2102342303240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102342303240 is an abundant number, since it is smaller than the sum of its proper divisors (2627927879140).

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

2102342303240 is a wasteful number, since it uses less digits than its factorization.

2102342303240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52558557592 (or 52558557588 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 2102342303240 its reverse (423032432012), we get a palindrome (2525374735252).

The spelling of 2102342303240 in words is "two trillion, one hundred two billion, three hundred forty-two million, three hundred three thousand, two hundred forty".