13702129231 has 4 divisors (see below), whose sum is σ = 15659576272. Its totient is φ = 11744682192.

The previous prime is 13702129223. The next prime is 13702129237. The reversal of 13702129231 is 13292120731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13292120731 = 113 ⋅117629387.

It is a cyclic number.

It is not a de Polignac number, because 13702129231 - 2³ = 13702129223 is a prime.

It is a super-2 number, since 2×13702129231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13702129193 and 13702129202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13702129237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978723510 + ... + 978723523.

It is an arithmetic number, because the mean of its divisors is an integer number (3914894068).

Almost surely, 2^13702129231 is an apocalyptic number.

13702129231 is a deficient number, since it is larger than the sum of its proper divisors (1957447041).

13702129231 is an equidigital number, since it uses as much as digits as its factorization.

13702129231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957447040.

The product of its (nonzero) digits is 4536, while the sum is 31.

Adding to 13702129231 its reverse (13292120731), we get a palindrome (26994249962).

The spelling of 13702129231 in words is "thirteen billion, seven hundred two million, one hundred twenty-nine thousand, two hundred thirty-one".