231533500151454 has 64 divisors (see below), whose sum is σ = 480407522184000. Its totient is φ = 74303012360192.

The previous prime is 231533500151449. The next prime is 231533500151491. The reversal of 231533500151454 is 454151005335132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3666431872 + ... + 3666495020.

It is an arithmetic number, because the mean of its divisors is an integer number (7506367534125).

Almost surely, 2^{231533500151454} is an apocalyptic number.

231533500151454 is an abundant number, since it is smaller than the sum of its proper divisors (248874022032546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231533500151454 is a wasteful number, since it uses less digits than its factorization.

231533500151454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123229.

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 231533500151454 its reverse (454151005335132), we get a palindrome (685684505486586).

The spelling of 231533500151454 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, five hundred million, one hundred fifty-one thousand, four hundred fifty-four".