134011423431 has 32 divisors (see below), whose sum is σ = 203948954880. Its totient is φ = 86905999008.

The previous prime is 134011423417. The next prime is 134011423457. The reversal of 134011423431 is 134324110431.

134011423431 is a `hidden beast` number, since 13 + 401 + 14 + 234 + 3 + 1 = 666.

It is not a de Polignac number, because 134011423431 - 2¹⁰ = 134011422407 is a prime.

It is a super-2 number, since 2×134011423431² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 134011423395 and 134011423404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134011423411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5088760 + ... + 5115026.

It is an arithmetic number, because the mean of its divisors is an integer number (6373404840).

Almost surely, 2^134011423431 is an apocalyptic number.

134011423431 is a deficient number, since it is larger than the sum of its proper divisors (69937531449).

134011423431 is a wasteful number, since it uses less digits than its factorization.

134011423431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31420 (or 31414 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 134011423431 its reverse (134324110431), we get a palindrome (268335533862).

The spelling of 134011423431 in words is "one hundred thirty-four billion, eleven million, four hundred twenty-three thousand, four hundred thirty-one".