231414653 has 2 divisors, whose sum is σ = 231414654. Its totient is φ = 231414652.

The previous prime is 231414649. The next prime is 231414709. The reversal of 231414653 is 356414132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197739844 + 33674809 = 14062^2 + 5803^2 .

It is a cyclic number.

It is not a de Polignac number, because 231414653 - 2² = 231414649 is a prime.

It is a super-2 number, since 2×231414653² = 107105483246220818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231414643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115707326 + 115707327.

It is an arithmetic number, because the mean of its divisors is an integer number (115707327).

Almost surely, 2^231414653 is an apocalyptic number.

It is an amenable number.

231414653 is a deficient number, since it is larger than the sum of its proper divisors (1).

231414653 is an equidigital number, since it uses as much as digits as its factorization.

231414653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 231414653 is about 15212.3191197135. The cubic root of 231414653 is about 613.9461565109.

Adding to 231414653 its reverse (356414132), we get a palindrome (587828785).

The spelling of 231414653 in words is "two hundred thirty-one million, four hundred fourteen thousand, six hundred fifty-three".