340833431 has 2 divisors, whose sum is σ = 340833432. Its totient is φ = 340833430.

The previous prime is 340833397. The next prime is 340833461. The reversal of 340833431 is 134338043.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340833431 - 2¹⁰ = 340832407 is a prime.

It is a super-2 number, since 2×340833431² = 232334855374463522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 340833394 and 340833403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340833461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170416715 + 170416716.

It is an arithmetic number, because the mean of its divisors is an integer number (170416716).

Almost surely, 2^340833431 is an apocalyptic number.

340833431 is a deficient number, since it is larger than the sum of its proper divisors (1).

340833431 is an equidigital number, since it uses as much as digits as its factorization.

340833431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 340833431 is about 18461.6746531836. The cubic root of 340833431 is about 698.5230293832.

The spelling of 340833431 in words is "three hundred forty million, eight hundred thirty-three thousand, four hundred thirty-one".