102010440420431 has 8 divisors (see below), whose sum is σ = 105304349756928. Its totient is φ = 98716734207000.

The previous prime is 102010440420419. The next prime is 102010440420439. The reversal of 102010440420431 is 134024044010201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102010440420431 is a prime.

It is a super-2 number, since 2×102010440420431² (a number of 29 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 102010440420431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010440420439) 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, 49759805 + ... + 51769286.

It is an arithmetic number, because the mean of its divisors is an integer number (13163043719616).

Almost surely, 2^{102010440420431} is an apocalyptic number.

102010440420431 is a deficient number, since it is larger than the sum of its proper divisors (3293909336497).

102010440420431 is a wasteful number, since it uses less digits than its factorization.

102010440420431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101561533.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 102010440420431 its reverse (134024044010201), we get a palindrome (236034484430632).

The spelling of 102010440420431 in words is "one hundred two trillion, ten billion, four hundred forty million, four hundred twenty thousand, four hundred thirty-one".