231533531053154 has 16 divisors (see below), whose sum is σ = 378873820954080. Its totient is φ = 105242300187360.

The previous prime is 231533531053109. The next prime is 231533531053171. The reversal of 231533531053154 is 451350135335132.

231533531053154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 639542 + ... + 21528494.

It is an arithmetic number, because the mean of its divisors is an integer number (23679613809630).

Almost surely, 2^{231533531053154} is an apocalyptic number.

231533531053154 is a deficient number, since it is larger than the sum of its proper divisors (147340289900926).

231533531053154 is a wasteful number, since it uses less digits than its factorization.

231533531053154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21392785.

The product of its (nonzero) digits is 1215000, while the sum is 44.

Adding to 231533531053154 its reverse (451350135335132), we get a palindrome (682883666388286).

The spelling of 231533531053154 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, five hundred thirty-one million, fifty-three thousand, one hundred fifty-four".