34138893431 has 2 divisors, whose sum is σ = 34138893432. Its totient is φ = 34138893430.

The previous prime is 34138893419. The next prime is 34138893457. The reversal of 34138893431 is 13439883143.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34138893431 - 2¹⁸ = 34138631287 is a prime.

It is a super-2 number, since 2×34138893431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34138893331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17069446715 + 17069446716.

It is an arithmetic number, because the mean of its divisors is an integer number (17069446716).

Almost surely, 2^34138893431 is an apocalyptic number.

34138893431 is a deficient number, since it is larger than the sum of its proper divisors (1).

34138893431 is an equidigital number, since it uses as much as digits as its factorization.

34138893431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 47.

The spelling of 34138893431 in words is "thirty-four billion, one hundred thirty-eight million, eight hundred ninety-three thousand, four hundred thirty-one".