340135252231 has 8 divisors (see below), whose sum is σ = 343334538000. Its totient is φ = 336936345408.

The previous prime is 340135252199. The next prime is 340135252243. The reversal of 340135252231 is 132252531043.

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

It is a cyclic number.

It is not a de Polignac number, because 340135252231 - 2⁵ = 340135252199 is a prime.

It is a super-2 number, since 2×340135252231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340135252193 and 340135252202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340135252271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906645 + ... + 2077393.

It is an arithmetic number, because the mean of its divisors is an integer number (42916817250).

Almost surely, 2^340135252231 is an apocalyptic number.

340135252231 is a deficient number, since it is larger than the sum of its proper divisors (3199285769).

340135252231 is a wasteful number, since it uses less digits than its factorization.

340135252231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189473.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 340135252231 its reverse (132252531043), we get a palindrome (472387783274).

The spelling of 340135252231 in words is "three hundred forty billion, one hundred thirty-five million, two hundred fifty-two thousand, two hundred thirty-one".