2031551654225 has 24 divisors (see below), whose sum is σ = 2657387996640. Its totient is φ = 1536405131520.

The previous prime is 2031551654221. The next prime is 2031551654233. The reversal of 2031551654225 is 5224561551302.

It is not a de Polignac number, because 2031551654225 - 2² = 2031551654221 is a prime.

It is a super-3 number, since 3×2031551654225³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2031551654221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4357352 + ... + 4801001.

It is an arithmetic number, because the mean of its divisors is an integer number (110724499860).

Almost surely, 2^{2031551654225} is an apocalyptic number.

2031551654225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2031551654225 is a deficient number, since it is larger than the sum of its proper divisors (625836342415).

2031551654225 is a wasteful number, since it uses less digits than its factorization.

2031551654225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158849 (or 9158844 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 2031551654225 in words is "two trillion, thirty-one billion, five hundred fifty-one million, six hundred fifty-four thousand, two hundred twenty-five".