231353231020347 has 16 divisors (see below), whose sum is σ = 308883247016960. Its totient is φ = 154029365655552.

The previous prime is 231353231020283. The next prime is 231353231020357. The reversal of 231353231020347 is 743020132353132.

231353231020347 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231353231020347 - 2⁶ = 231353231020283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231353231020357) 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, 62670078 + ... + 66258924.

It is an arithmetic number, because the mean of its divisors is an integer number (19305202938560).

Almost surely, 2^{231353231020347} is an apocalyptic number.

231353231020347 is a deficient number, since it is larger than the sum of its proper divisors (77530015996613).

231353231020347 is a wasteful number, since it uses less digits than its factorization.

231353231020347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617562.

The product of its (nonzero) digits is 272160, while the sum is 39.

Adding to 231353231020347 its reverse (743020132353132), we get a palindrome (974373363373479).

The spelling of 231353231020347 in words is "two hundred thirty-one trillion, three hundred fifty-three billion, two hundred thirty-one million, twenty thousand, three hundred forty-seven".