34031312431 has 4 divisors (see below), whose sum is σ = 34051065352. Its totient is φ = 34011559512.

The previous prime is 34031312429. The next prime is 34031312527. The reversal of 34031312431 is 13421313043.

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

It is a cyclic number.

It is not a de Polignac number, because 34031312431 - 2¹ = 34031312429 is a prime.

It is a super-2 number, since 2×34031312431² (a number of 22 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 = 34031312396 and 34031312405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34031312131) 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, 9873876 + ... + 9877321.

It is an arithmetic number, because the mean of its divisors is an integer number (8512766338).

Almost surely, 2^34031312431 is an apocalyptic number.

34031312431 is a deficient number, since it is larger than the sum of its proper divisors (19752921).

34031312431 is a wasteful number, since it uses less digits than its factorization.

34031312431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19752920.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 34031312431 its reverse (13421313043), we get a palindrome (47452625474).

The spelling of 34031312431 in words is "thirty-four billion, thirty-one million, three hundred twelve thousand, four hundred thirty-one".