2531720605282 has 32 divisors (see below), whose sum is σ = 4277379575808. Its totient is φ = 1113419250000.

The previous prime is 2531720605277. The next prime is 2531720605289. The reversal of 2531720605282 is 2825060271352.

It is not an unprimeable number, because it can be changed into a prime (2531720605289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2772907 + ... + 3571057.

It is an arithmetic number, because the mean of its divisors is an integer number (133668111744).

Almost surely, 2^{2531720605282} is an apocalyptic number.

2531720605282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2531720605282 is a deficient number, since it is larger than the sum of its proper divisors (1745658970526).

2531720605282 is a wasteful number, since it uses less digits than its factorization.

2531720605282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802846.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 2531720605282 in words is "two trillion, five hundred thirty-one billion, seven hundred twenty million, six hundred five thousand, two hundred eighty-two".