113445045352531 has 8 divisors (see below), whose sum is σ = 118421658879264. Its totient is φ = 108472116846720.

The previous prime is 113445045352459. The next prime is 113445045352549. The reversal of 113445045352531 is 135253540544311.

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

It is a cyclic number.

It is not a de Polignac number, because 113445045352531 - 2⁴³ = 104648952330323 is a prime.

It is a super-2 number, since 2×113445045352531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113445045352631) 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, 921192310 + ... + 921315451.

It is an arithmetic number, because the mean of its divisors is an integer number (14802707359908).

Almost surely, 2^{113445045352531} is an apocalyptic number.

113445045352531 is a deficient number, since it is larger than the sum of its proper divisors (4976613526733).

113445045352531 is a wasteful number, since it uses less digits than its factorization.

113445045352531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842510461.

The product of its (nonzero) digits is 2160000, while the sum is 46.

Adding to 113445045352531 its reverse (135253540544311), we get a palindrome (248698585896842).

The spelling of 113445045352531 in words is "one hundred thirteen trillion, four hundred forty-five billion, forty-five million, three hundred fifty-two thousand, five hundred thirty-one".