231874734 has 32 divisors (see below), whose sum is σ = 570769920. Its totient is φ = 61153632.

The previous prime is 231874729. The next prime is 231874751. The reversal of 231874734 is 437478132.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 231874692 and 231874701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211794 + ... + 212885.

It is an arithmetic number, because the mean of its divisors is an integer number (17836560).

Almost surely, 2^231874734 is an apocalyptic number.

231874734 is an abundant number, since it is smaller than the sum of its proper divisors (338895186).

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

231874734 is a wasteful number, since it uses less digits than its factorization.

231874734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424704.

The product of its digits is 112896, while the sum is 39.

The square root of 231874734 is about 15227.4335986075. The cubic root of 231874734 is about 614.3527541812.

It can be divided in two parts, 2318747 and 34, that added together give a triangular number (2318781 = T₂₁₅₃).

The spelling of 231874734 in words is "two hundred thirty-one million, eight hundred seventy-four thousand, seven hundred thirty-four".