2431310204040 has 32 divisors (see below), whose sum is σ = 7293930612480. Its totient is φ = 648349387712.

The previous prime is 2431310204033. The next prime is 2431310204077. The reversal of 2431310204040 is 404020131342.

It is a super-2 number, since 2×2431310204040² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2431310204040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10130459064 + ... + 10130459303.

It is an arithmetic number, because the mean of its divisors is an integer number (227935331640).

Almost surely, 2^{2431310204040} is an apocalyptic number.

2431310204040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431310204040 is an abundant number, since it is smaller than the sum of its proper divisors (4862620408440).

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

2431310204040 is a wasteful number, since it uses less digits than its factorization.

2431310204040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20260918381 (or 20260918377 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2431310204040 its reverse (404020131342), we get a palindrome (2835330335382).

The spelling of 2431310204040 in words is "two trillion, four hundred thirty-one billion, three hundred ten million, two hundred four thousand, forty".