340953931 has 2 divisors, whose sum is σ = 340953932. Its totient is φ = 340953930.

The previous prime is 340953919. The next prime is 340953937. The reversal of 340953931 is 139359043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340953931 - 2¹¹ = 340951883 is a prime.

It is a super-2 number, since 2×340953931² = 232499166128705522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340953937) 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, 170476965 + 170476966.

It is an arithmetic number, because the mean of its divisors is an integer number (170476966).

Almost surely, 2^340953931 is an apocalyptic number.

340953931 is a deficient number, since it is larger than the sum of its proper divisors (1).

340953931 is an equidigital number, since it uses as much as digits as its factorization.

340953931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 340953931 is about 18464.9378823759. The cubic root of 340953931 is about 698.6053394891.

It can be divided in two parts, 340 and 953931, that added together give a triangular number (954271 = T₁₃₈₁).

The spelling of 340953931 in words is "three hundred forty million, nine hundred fifty-three thousand, nine hundred thirty-one".