231551540053045 has 8 divisors (see below), whose sum is σ = 277889443898040. Its totient is φ = 185222834819520.

The previous prime is 231551540053021. The next prime is 231551540053063. The reversal of 231551540053045 is 540350045155132.

It can be written as a sum of positive squares in 4 ways, for example, as 4437266416324 + 227114273636721 = 2106482^2 + 15070311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231551540053045 - 2⁹ = 231551540052533 is a prime.

It is a super-2 number, since 2×231551540053045² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231551540052992 and 231551540053010.

It is a congruent number.

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, 2299597486 + ... + 2299698175.

It is an arithmetic number, because the mean of its divisors is an integer number (34736180487255).

Almost surely, 2^{231551540053045} is an apocalyptic number.

It is an amenable number.

231551540053045 is a deficient number, since it is larger than the sum of its proper divisors (46337903844995).

231551540053045 is a wasteful number, since it uses less digits than its factorization.

231551540053045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599305735.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 231551540053045 in words is "two hundred thirty-one trillion, five hundred fifty-one billion, five hundred forty million, fifty-three thousand, forty-five".