105450345031 has 4 divisors (see below), whose sum is σ = 105453453952. Its totient is φ = 105447236112.

The previous prime is 105450345029. The next prime is 105450345037. The reversal of 105450345031 is 130543054501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130543054501 = 19 ⋅6870687079.

It is a cyclic number.

It is not a de Polignac number, because 105450345031 - 2¹ = 105450345029 is a prime.

It is a super-2 number, since 2×105450345031² (a number of 23 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 = 105450344984 and 105450345002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105450345037) 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, 1503015 + ... + 1571608.

It is an arithmetic number, because the mean of its divisors is an integer number (26363363488).

Almost surely, 2^105450345031 is an apocalyptic number.

105450345031 is a deficient number, since it is larger than the sum of its proper divisors (3108921).

105450345031 is an equidigital number, since it uses as much as digits as its factorization.

105450345031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108920.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 105450345031 its reverse (130543054501), we get a palindrome (235993399532).

The spelling of 105450345031 in words is "one hundred five billion, four hundred fifty million, three hundred forty-five thousand, thirty-one".