231420411 has 12 divisors (see below), whose sum is σ = 348807888. Its totient is φ = 147572304.

The previous prime is 231420401. The next prime is 231420421. The reversal of 231420411 is 114024132.

231420411 is a `hidden beast` number, since 231 + 4 + 20 + 411 = 666.

It is an interprime number because it is at equal distance from previous prime (231420401) and next prime (231420421).

It is a de Polignac number, because none of the positive numbers 2^k-231420411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231420401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558780 + ... + 559193.

It is an arithmetic number, because the mean of its divisors is an integer number (29067324).

Almost surely, 2^231420411 is an apocalyptic number.

231420411 is a deficient number, since it is larger than the sum of its proper divisors (117387477).

231420411 is a wasteful number, since it uses less digits than its factorization.

231420411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118002 (or 1117999 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 231420411 is about 15212.5083730462. The cubic root of 231420411 is about 613.9512484856.

Adding to 231420411 its reverse (114024132), we get a palindrome (345444543).

The spelling of 231420411 in words is "two hundred thirty-one million, four hundred twenty thousand, four hundred eleven".