13970031 has 8 divisors (see below), whose sum is σ = 18889344. Its totient is φ = 9182040.

The previous prime is 13970029. The next prime is 13970041. The reversal of 13970031 is 13007931.

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

It is not a de Polignac number, because 13970031 - 2¹ = 13970029 is a prime.

It is a super-2 number, since 2×13970031² = 390323532281922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13969983 and 13970010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970041) 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, 32581 + ... + 33006.

It is an arithmetic number, because the mean of its divisors is an integer number (2361168).

Almost surely, 2^13970031 is an apocalyptic number.

13970031 is a deficient number, since it is larger than the sum of its proper divisors (4919313).

13970031 is an equidigital number, since it uses as much as digits as its factorization.

13970031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65661.

The product of its (nonzero) digits is 567, while the sum is 24.

The square root of 13970031 is about 3737.6504651987. The cubic root of 13970031 is about 240.8421284315.

Adding to 13970031 its reverse (13007931), we get a palindrome (26977962).

The spelling of 13970031 in words is "thirteen million, nine hundred seventy thousand, thirty-one".