1842402031 has 2 divisors, whose sum is σ = 1842402032. Its totient is φ = 1842402030.

The previous prime is 1842402007. The next prime is 1842402073. The reversal of 1842402031 is 1302042481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1842402031 - 2²⁹ = 1305531119 is a prime.

It is a super-2 number, since 2×1842402031² = 6788890487665849922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1842401987 and 1842402005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1842402091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921201015 + 921201016.

It is an arithmetic number, because the mean of its divisors is an integer number (921201016).

Almost surely, 2^1842402031 is an apocalyptic number.

1842402031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1842402031 is an equidigital number, since it uses as much as digits as its factorization.

1842402031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1842402031 is about 42923.2108654513. The cubic root of 1842402031 is about 1225.9181301873.

The spelling of 1842402031 in words is "one billion, eight hundred forty-two million, four hundred two thousand, thirty-one".