231053378 has 8 divisors (see below), whose sum is σ = 348495420. Its totient is φ = 114888240.

The previous prime is 231053371. The next prime is 231053399. The reversal of 231053378 is 873350132.

It can be written as a sum of positive squares in 2 ways, for example, as 220314649 + 10738729 = 14843^2 + 3277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (231053371) 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, 318773 + ... + 319496.

Almost surely, 2^231053378 is an apocalyptic number.

231053378 is a deficient number, since it is larger than the sum of its proper divisors (117442042).

231053378 is a wasteful number, since it uses less digits than its factorization.

231053378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638452.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 231053378 is about 15200.4400594193. The cubic root of 231053378 is about 613.6265009799.

The spelling of 231053378 in words is "two hundred thirty-one million, fifty-three thousand, three hundred seventy-eight".