231533451332515 has 16 divisors (see below), whose sum is σ = 281479294516320. Its totient is φ = 182813529690880.

The previous prime is 231533451332503. The next prime is 231533451332527. The reversal of 231533451332515 is 515233154335132.

It is an interprime number because it is at equal distance from previous prime (231533451332503) and next prime (231533451332527).

It is not a de Polignac number, because 231533451332515 - 2¹⁷ = 231533451201443 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804266506 + ... + 804554335.

It is an arithmetic number, because the mean of its divisors is an integer number (17592455907270).

Almost surely, 2^{231533451332515} is an apocalyptic number.

231533451332515 is a deficient number, since it is larger than the sum of its proper divisors (49945843183805).

231533451332515 is a wasteful number, since it uses less digits than its factorization.

231533451332515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608821222.

The product of its digits is 2430000, while the sum is 46.

The spelling of 231533451332515 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, four hundred fifty-one million, three hundred thirty-two thousand, five hundred fifteen".