231661034 has 24 divisors (see below), whose sum is σ = 402064320. Its totient is φ = 99756360.

The previous prime is 231660967. The next prime is 231661049. The reversal of 231661034 is 430166132.

It is a junction number, because it is equal to n+sod(n) for n = 231660994 and 231661012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20594 + ... + 29789.

It is an arithmetic number, because the mean of its divisors is an integer number (16752680).

Almost surely, 2^231661034 is an apocalyptic number.

231661034 is a deficient number, since it is larger than the sum of its proper divisors (170403286).

231661034 is a wasteful number, since it uses less digits than its factorization.

231661034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50426 (or 50415 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 231661034 is about 15220.4150403332. The cubic root of 231661034 is about 614.1639632563.

The spelling of 231661034 in words is "two hundred thirty-one million, six hundred sixty-one thousand, thirty-four".