231402014 has 4 divisors (see below), whose sum is σ = 347103024. Its totient is φ = 115701006.

The previous prime is 231402013. The next prime is 231402019. The reversal of 231402014 is 410204132.

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

It is a junction number, because it is equal to n+sod(n) for n = 231401983 and 231402001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231402013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57850502 + ... + 57850505.

It is an arithmetic number, because the mean of its divisors is an integer number (86775756).

Almost surely, 2^231402014 is an apocalyptic number.

231402014 is a deficient number, since it is larger than the sum of its proper divisors (115701010).

231402014 is a wasteful number, since it uses less digits than its factorization.

231402014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115701009.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231402014 is about 15211.9036941469. The cubic root of 231402014 is about 613.9349791623.

Adding to 231402014 its reverse (410204132), we get a palindrome (641606146).

It can be divided in two parts, 2 and 31402014, that multiplied together give a triangular number (62804028 = T₁₁₂₀₇).

The spelling of 231402014 in words is "two hundred thirty-one million, four hundred two thousand, fourteen".