231553350231554 has 8 divisors (see below), whose sum is σ = 374047719604860. Its totient is φ = 106870777029936.

The previous prime is 231553350231517. The next prime is 231553350231571. The reversal of 231553350231554 is 455132053355132.

231553350231554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 168264404192329 + 63288946039225 = 12971677^2 + 7955435^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 231553350231499 and 231553350231508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4452949042889 + ... + 4452949042940.

Almost surely, 2^{231553350231554} is an apocalyptic number.

231553350231554 is a deficient number, since it is larger than the sum of its proper divisors (142494369373306).

231553350231554 is a wasteful number, since it uses less digits than its factorization.

231553350231554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8905898085844.

The product of its (nonzero) digits is 4050000, while the sum is 47.

The spelling of 231553350231554 in words is "two hundred thirty-one trillion, five hundred fifty-three billion, three hundred fifty million, two hundred thirty-one thousand, five hundred fifty-four".