231953741 has 4 divisors (see below), whose sum is σ = 233646972. Its totient is φ = 230260512.

The previous prime is 231953737. The next prime is 231953759. The reversal of 231953741 is 147359132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 135815716 + 96138025 = 11654^2 + 9805^2 .

It is a cyclic number.

It is not a de Polignac number, because 231953741 - 2² = 231953737 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231953041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846410 + ... + 846683.

It is an arithmetic number, because the mean of its divisors is an integer number (58411743).

Almost surely, 2^231953741 is an apocalyptic number.

It is an amenable number.

231953741 is a deficient number, since it is larger than the sum of its proper divisors (1693231).

231953741 is a wasteful number, since it uses less digits than its factorization.

231953741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693230.

The product of its digits is 22680, while the sum is 35.

The square root of 231953741 is about 15230.0276099553. The cubic root of 231953741 is about 614.4225226800.

The spelling of 231953741 in words is "two hundred thirty-one million, nine hundred fifty-three thousand, seven hundred forty-one".