13870031 has 8 divisors (see below), whose sum is σ = 15897600. Its totient is φ = 11854008.

The previous prime is 13869991. The next prime is 13870039. The reversal of 13870031 is 13007831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13870031 - 2⁶ = 13869967 is a prime.

It is a super-2 number, since 2×13870031² = 384755519881922, 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 = 13869979 and 13870006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13870039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (1987200).

Almost surely, 2^13870031 is an apocalyptic number.

13870031 is a deficient number, since it is larger than the sum of its proper divisors (2027569).

13870031 is an equidigital number, since it uses as much as digits as its factorization.

13870031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 13870031 is about 3724.2490518224. The cubic root of 13870031 is about 240.2660879811.

Adding to 13870031 its reverse (13007831), we get a palindrome (26877862).

The spelling of 13870031 in words is "thirteen million, eight hundred seventy thousand, thirty-one".