134312031 has 12 divisors (see below), whose sum is σ = 221721552. Its totient is φ = 76749696.

The previous prime is 134312029. The next prime is 134312047. The reversal of 134312031 is 130213431.

It is not a de Polignac number, because 134312031 - 2¹ = 134312029 is a prime.

It is a super-2 number, since 2×134312031² = 36079443342689922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134311995 and 134312013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134312131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1065906 + ... + 1066031.

It is an arithmetic number, because the mean of its divisors is an integer number (18476796).

Almost surely, 2^134312031 is an apocalyptic number.

134312031 is a deficient number, since it is larger than the sum of its proper divisors (87409521).

134312031 is a wasteful number, since it uses less digits than its factorization.

134312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131950 (or 2131947 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 134312031 is about 11589.3067523472. The cubic root of 134312031 is about 512.1198843924.

Adding to 134312031 its reverse (130213431), we get a palindrome (264525462).

The spelling of 134312031 in words is "one hundred thirty-four million, three hundred twelve thousand, thirty-one".