2531433040000 has 80 divisors (see below), whose sum is σ = 6301844537670. Its totient is φ = 1012573184000.

The previous prime is 2531433039983. The next prime is 2531433040033. The reversal of 2531433040000 is 403341352.

It can be written as a sum of positive squares in 5 ways, for example, as 147966392896 + 2383466647104 = 384664^2 + 1543848^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15741457 + ... + 15901456.

Almost surely, 2^{2531433040000} is an apocalyptic number.

2531433040000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531433040000 is an abundant number, since it is smaller than the sum of its proper divisors (3770411497670).

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

2531433040000 is an frugal number, since it uses more digits than its factorization.

2531433040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31642947 (or 31642920 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 2531433040000 its reverse (403341352), we get a palindrome (2531836381352).

The spelling of 2531433040000 in words is "two trillion, five hundred thirty-one billion, four hundred thirty-three million, forty thousand".