340133431 has 16 divisors (see below), whose sum is σ = 384976800. Its totient is φ = 297673600.

The previous prime is 340133371. The next prime is 340133441. The reversal of 340133431 is 134331043.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 340133431 - 2²⁵ = 306578999 is a prime.

It is a super-4 number, since 4×340133431⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340133441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122721 + ... + 125461.

It is an arithmetic number, because the mean of its divisors is an integer number (24061050).

Almost surely, 2^340133431 is an apocalyptic number.

340133431 is a deficient number, since it is larger than the sum of its proper divisors (44843369).

340133431 is a wasteful number, since it uses less digits than its factorization.

340133431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 340133431 is about 18442.7067156641. The cubic root of 340133431 is about 698.0444952930.

Adding to 340133431 its reverse (134331043), we get a palindrome (474464474).

The spelling of 340133431 in words is "three hundred forty million, one hundred thirty-three thousand, four hundred thirty-one".