1426471331 has 2 divisors, whose sum is σ = 1426471332. Its totient is φ = 1426471330.

The previous prime is 1426471313. The next prime is 1426471357. The reversal of 1426471331 is 1331746241.

Together with previous prime (1426471313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426471331 is a prime.

It is a super-2 number, since 2×1426471331² = 4069640916329823122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1426471301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713235665 + 713235666.

It is an arithmetic number, because the mean of its divisors is an integer number (713235666).

Almost surely, 2^1426471331 is an apocalyptic number.

1426471331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426471331 is an equidigital number, since it uses as much as digits as its factorization.

1426471331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 1426471331 is about 37768.6554036545. The cubic root of 1426471331 is about 1125.6957226829.

The spelling of 1426471331 in words is "one billion, four hundred twenty-six million, four hundred seventy-one thousand, three hundred thirty-one".