340025331 has 4 divisors (see below), whose sum is σ = 453367112. Its totient is φ = 226683552.

The previous prime is 340025321. The next prime is 340025363. The reversal of 340025331 is 133520043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133520043 = 3 ⋅44506681.

It is not a de Polignac number, because 340025331 - 2⁹ = 340024819 is a prime.

It is a super-2 number, since 2×340025331² = 231234451443319122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340025298 and 340025307.

It is not an unprimeable number, because it can be changed into a prime (340025321) 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, 56670886 + ... + 56670891.

It is an arithmetic number, because the mean of its divisors is an integer number (113341778).

Almost surely, 2^340025331 is an apocalyptic number.

340025331 is a deficient number, since it is larger than the sum of its proper divisors (113341781).

340025331 is a wasteful number, since it uses less digits than its factorization.

340025331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113341780.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 340025331 is about 18439.7757849709. The cubic root of 340025331 is about 697.9705374493.

Adding to 340025331 its reverse (133520043), we get a palindrome (473545374).

The spelling of 340025331 in words is "three hundred forty million, twenty-five thousand, three hundred thirty-one".