234551431 has 4 divisors (see below), whose sum is σ = 248348592. Its totient is φ = 220754272.

The previous prime is 234551423. The next prime is 234551437. The reversal of 234551431 is 134155432.

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

It is a cyclic number.

It is not a de Polignac number, because 234551431 - 2³ = 234551423 is a prime.

It is a super-2 number, since 2×234551431² = 110028747568295522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234551431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234551437) 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, 6898555 + ... + 6898588.

It is an arithmetic number, because the mean of its divisors is an integer number (62087148).

Almost surely, 2^234551431 is an apocalyptic number.

234551431 is a deficient number, since it is larger than the sum of its proper divisors (13797161).

234551431 is a wasteful number, since it uses less digits than its factorization.

234551431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13797160.

The product of its digits is 7200, while the sum is 28.

The square root of 234551431 is about 15315.0720207252. The cubic root of 234551431 is about 616.7076877833.

The spelling of 234551431 in words is "two hundred thirty-four million, five hundred fifty-one thousand, four hundred thirty-one".