31540452134 has 8 divisors (see below), whose sum is σ = 47312927328. Its totient is φ = 15769476360.

The previous prime is 31540452133. The next prime is 31540452179. The reversal of 31540452134 is 43125404513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31540452134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31540452131) 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, 320702 + ... + 407345.

It is an arithmetic number, because the mean of its divisors is an integer number (5914115916).

Almost surely, 2^31540452134 is an apocalyptic number.

31540452134 is a deficient number, since it is larger than the sum of its proper divisors (15772475194).

31540452134 is a wasteful number, since it uses less digits than its factorization.

31540452134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749710.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 31540452134 its reverse (43125404513), we get a palindrome (74665856647).

The spelling of 31540452134 in words is "thirty-one billion, five hundred forty million, four hundred fifty-two thousand, one hundred thirty-four".