231061562 has 4 divisors (see below), whose sum is σ = 346592346. Its totient is φ = 115530780.

The previous prime is 231061561. The next prime is 231061573. The reversal of 231061562 is 265160132.

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

It can be written as a sum of positive squares in only one way, i.e., 172370641 + 58690921 = 13129^2 + 7661^2 .

It is not an unprimeable number, because it can be changed into a prime (231061561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57765389 + ... + 57765392.

Almost surely, 2^231061562 is an apocalyptic number.

231061562 is a deficient number, since it is larger than the sum of its proper divisors (115530784).

231061562 is a wasteful number, since it uses less digits than its factorization.

231061562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115530783.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 231061562 is about 15200.7092597681. The cubic root of 231061562 is about 613.6337458571.

The spelling of 231061562 in words is "two hundred thirty-one million, sixty-one thousand, five hundred sixty-two".