1683693131 has 2 divisors, whose sum is σ = 1683693132. Its totient is φ = 1683693130.

The previous prime is 1683693071. The next prime is 1683693161. The reversal of 1683693131 is 1313963861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1683693131 - 2¹⁰ = 1683692107 is a prime.

It is a super-2 number, since 2×1683693131² = 5669645118753166322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1683693161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841846565 + 841846566.

It is an arithmetic number, because the mean of its divisors is an integer number (841846566).

Almost surely, 2^1683693131 is an apocalyptic number.

1683693131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683693131 is an equidigital number, since it uses as much as digits as its factorization.

1683693131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 1683693131 is about 41032.8299170311. The cubic root of 1683693131 is about 1189.6548515303.

The spelling of 1683693131 in words is "one billion, six hundred eighty-three million, six hundred ninety-three thousand, one hundred thirty-one".