231546134 has 4 divisors (see below), whose sum is σ = 347319204. Its totient is φ = 115773066.

The previous prime is 231546131. The next prime is 231546143. The reversal of 231546134 is 431645132.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×231546134² = 107227224340691912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231546097 and 231546106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231546131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57886532 + ... + 57886535.

It is an arithmetic number, because the mean of its divisors is an integer number (86829801).

Almost surely, 2^231546134 is an apocalyptic number.

231546134 is a deficient number, since it is larger than the sum of its proper divisors (115773070).

231546134 is a wasteful number, since it uses less digits than its factorization.

231546134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115773069.

The product of its digits is 8640, while the sum is 29.

The square root of 231546134 is about 15216.6400364864. The cubic root of 231546134 is about 614.0624081118.

The spelling of 231546134 in words is "two hundred thirty-one million, five hundred forty-six thousand, one hundred thirty-four".