2135234620431 has 18 divisors (see below), whose sum is σ = 3390101616720. Its totient is φ = 1294081587480.

The previous prime is 2135234620423. The next prime is 2135234620439. The reversal of 2135234620431 is 1340264325312.

2135234620431 is a `hidden beast` number, since 2 + 1 + 3 + 5 + 23 + 4 + 620 + 4 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2135234620423) and next prime (2135234620439).

It is not a de Polignac number, because 2135234620431 - 2³ = 2135234620423 is a prime.

It is a super-2 number, since 2×2135234620431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135234620439) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 980363751 + ... + 980365928.

Almost surely, 2^{2135234620431} is an apocalyptic number.

2135234620431 is a deficient number, since it is larger than the sum of its proper divisors (1254866996289).

2135234620431 is a wasteful number, since it uses less digits than its factorization.

2135234620431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960729707 (or 1960729693 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 2135234620431 its reverse (1340264325312), we get a palindrome (3475498945743).

The spelling of 2135234620431 in words is "two trillion, one hundred thirty-five billion, two hundred thirty-four million, six hundred twenty thousand, four hundred thirty-one".