2531423131145 has 8 divisors (see below), whose sum is σ = 3037745416704. Its totient is φ = 2025113398704.

The previous prime is 2531423131091. The next prime is 2531423131199. The reversal of 2531423131145 is 5411313241352.

It is an interprime number because it is at equal distance from previous prime (2531423131091) and next prime (2531423131199).

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 2531423131145 - 2³⁴ = 2514243261961 is a prime.

It is a super-2 number, since 2×2531423131145² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2688779 + ... + 3506048.

It is an arithmetic number, because the mean of its divisors is an integer number (379718177088).

Almost surely, 2^{2531423131145} is an apocalyptic number.

It is an amenable number.

2531423131145 is a deficient number, since it is larger than the sum of its proper divisors (506322285559).

2531423131145 is an equidigital number, since it uses as much as digits as its factorization.

2531423131145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276559.

The product of its digits is 43200, while the sum is 35.

Adding to 2531423131145 its reverse (5411313241352), we get a palindrome (7942736372497).

The spelling of 2531423131145 in words is "two trillion, five hundred thirty-one billion, four hundred twenty-three million, one hundred thirty-one thousand, one hundred forty-five".