105422031431 has 4 divisors (see below), whose sum is σ = 106692176472. Its totient is φ = 104151886392.

The previous prime is 105422031349. The next prime is 105422031467. The reversal of 105422031431 is 134130224501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105422031431 is a prime.

It is a super-2 number, since 2×105422031431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105422031431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105427031431) 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, 635072396 + ... + 635072561.

It is an arithmetic number, because the mean of its divisors is an integer number (26673044118).

Almost surely, 2^105422031431 is an apocalyptic number.

105422031431 is a deficient number, since it is larger than the sum of its proper divisors (1270145041).

105422031431 is an equidigital number, since it uses as much as digits as its factorization.

105422031431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270145040.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 105422031431 its reverse (134130224501), we get a palindrome (239552255932).

The spelling of 105422031431 in words is "one hundred five billion, four hundred twenty-two million, thirty-one thousand, four hundred thirty-one".