2031313041040 has 20 divisors (see below), whose sum is σ = 4722802820604. Its totient is φ = 812525216384.

The previous prime is 2031313041019. The next prime is 2031313041041. The reversal of 2031313041040 is 401403131302.

It can be written as a sum of positive squares in 2 ways, for example, as 1441046590096 + 590266450944 = 1200436^2 + 768288^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2031313041041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12695706427 + ... + 12695706586.

Almost surely, 2^{2031313041040} is an apocalyptic number.

2031313041040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031313041040 is an abundant number, since it is smaller than the sum of its proper divisors (2691489779564).

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

2031313041040 is a wasteful number, since it uses less digits than its factorization.

2031313041040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25391413026 (or 25391413020 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2031313041040 its reverse (401403131302), we get a palindrome (2432716172342).

The spelling of 2031313041040 in words is "two trillion, thirty-one billion, three hundred thirteen million, forty-one thousand, forty".