1936440031 has 2 divisors, whose sum is σ = 1936440032. Its totient is φ = 1936440030.

The previous prime is 1936440019. The next prime is 1936440073. The reversal of 1936440031 is 1300446391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1936440031 - 2¹¹ = 1936437983 is a prime.

It is a super-2 number, since 2×1936440031² = 7499599987318561922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1936439975 and 1936440002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1936440001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 968220015 + 968220016.

It is an arithmetic number, because the mean of its divisors is an integer number (968220016).

Almost surely, 2^1936440031 is an apocalyptic number.

1936440031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1936440031 is an equidigital number, since it uses as much as digits as its factorization.

1936440031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1936440031 is about 44005.0000681741. Note that the first 4 decimals coincide. The cubic root of 1936440031 is about 1246.4303557623.

It can be divided in two parts, 19364 and 40031, that added together give a palindrome (59395).

The spelling of 1936440031 in words is "one billion, nine hundred thirty-six million, four hundred forty thousand, thirty-one".