13770031 has 16 divisors (see below), whose sum is σ = 16109568. Its totient is φ = 11642400.

The previous prime is 13770011. The next prime is 13770049. The reversal of 13770031 is 13007731.

It is not a de Polignac number, because 13770031 - 2¹¹ = 13767983 is a prime.

It is a super-2 number, since 2×13770031² = 379227507481922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13769984 and 13770011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13770011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8626 + ... + 10096.

It is an arithmetic number, because the mean of its divisors is an integer number (1006848).

Almost surely, 2^13770031 is an apocalyptic number.

13770031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13770031 is a deficient number, since it is larger than the sum of its proper divisors (2339537).

13770031 is a wasteful number, since it uses less digits than its factorization.

13770031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542.

The product of its (nonzero) digits is 441, while the sum is 22.

The square root of 13770031 is about 3710.7992400560. The cubic root of 13770031 is about 239.6872720803.

Adding to 13770031 its reverse (13007731), we get a palindrome (26777762).

It can be divided in two parts, 137700 and 31, that added together give a palindrome (137731).

The spelling of 13770031 in words is "thirteen million, seven hundred seventy thousand, thirty-one".