10102102431 has 4 divisors (see below), whose sum is σ = 13469469912. Its totient is φ = 6734734952.

The previous prime is 10102102393. The next prime is 10102102433. The reversal of 10102102431 is 13420120101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13420120101 = 3 ⋅4473373367.

It is a cyclic number.

It is not a de Polignac number, because 10102102431 - 2¹⁰ = 10102101407 is a prime.

It is a super-2 number, since 2×10102102431² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10102102431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102102433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683683736 + ... + 1683683741.

It is an arithmetic number, because the mean of its divisors is an integer number (3367367478).

Almost surely, 2^10102102431 is an apocalyptic number.

10102102431 is a deficient number, since it is larger than the sum of its proper divisors (3367367481).

10102102431 is an equidigital number, since it uses as much as digits as its factorization.

10102102431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367367480.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10102102431 its reverse (13420120101), we get a palindrome (23522222532).

The spelling of 10102102431 in words is "ten billion, one hundred two million, one hundred two thousand, four hundred thirty-one".