1068344431 has 16 divisors (see below), whose sum is σ = 1342142208. Its totient is φ = 826113600.

The previous prime is 1068344429. The next prime is 1068344437. The reversal of 1068344431 is 1344438601.

It is a cyclic number.

It is not a de Polignac number, because 1068344431 - 2¹ = 1068344429 is a prime.

It is a super-2 number, since 2×1068344431² = 2282719646497427522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068344437) 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, 42870 + ... + 63043.

It is an arithmetic number, because the mean of its divisors is an integer number (83883888).

Almost surely, 2^1068344431 is an apocalyptic number.

1068344431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1068344431 is a deficient number, since it is larger than the sum of its proper divisors (273797777).

1068344431 is a wasteful number, since it uses less digits than its factorization.

1068344431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106062.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1068344431 is about 32685.5385606540. The cubic root of 1068344431 is about 1022.2813319977.

The spelling of 1068344431 in words is "one billion, sixty-eight million, three hundred forty-four thousand, four hundred thirty-one".