36401031 has 6 divisors (see below), whose sum is σ = 52579280. Its totient is φ = 24267348.

The previous prime is 36401023. The next prime is 36401047. The reversal of 36401031 is 13010463.

It is not a de Polignac number, because 36401031 - 2³ = 36401023 is a prime.

It is a super-2 number, since 2×36401031² = 2650070115725922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36400995 and 36401013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36401051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2022271 + ... + 2022288.

Almost surely, 2^36401031 is an apocalyptic number.

36401031 is a deficient number, since it is larger than the sum of its proper divisors (16178249).

36401031 is a wasteful number, since it uses less digits than its factorization.

36401031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044565 (or 4044562 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 36401031 is about 6033.3266942873. The cubic root of 36401031 is about 331.4142882218.

Adding to 36401031 its reverse (13010463), we get a palindrome (49411494).

The spelling of 36401031 in words is "thirty-six million, four hundred one thousand, thirty-one".