231413442144534 has 48 divisors (see below), whose sum is σ = 540019483540992. Its totient is φ = 71196911622144.

The previous prime is 231413442144523. The next prime is 231413442144553. The reversal of 231413442144534 is 435441244314132.

231413442144534 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 1 + 34 + 42 + 1 + 44 + 534 = 666.

It is a super-4 number, since 4×231413442144534⁴ (a number of 59 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231413442144534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47858134 + ... + 52471209.

It is an arithmetic number, because the mean of its divisors is an integer number (11250405907104).

Almost surely, 2^{231413442144534} is an apocalyptic number.

231413442144534 is an abundant number, since it is smaller than the sum of its proper divisors (308606041396458).

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

231413442144534 is a wasteful number, since it uses less digits than its factorization.

231413442144534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100339221 (or 100339218 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 45.

Adding to 231413442144534 its reverse (435441244314132), we get a palindrome (666854686458666).

The spelling of 231413442144534 in words is "two hundred thirty-one trillion, four hundred thirteen billion, four hundred forty-two million, one hundred forty-four thousand, five hundred thirty-four".