31149134 has 16 divisors (see below), whose sum is σ = 49647168. Its totient is φ = 14606592.

The previous prime is 31149133. The next prime is 31149143. The reversal of 31149134 is 43194113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31149133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9179 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (3102948).

Almost surely, 2^31149134 is an apocalyptic number.

31149134 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31149134 is a deficient number, since it is larger than the sum of its proper divisors (18498034).

31149134 is a wasteful number, since it uses less digits than its factorization.

31149134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259.

The product of its digits is 1296, while the sum is 26.

The square root of 31149134 is about 5581.1409227863. The cubic root of 31149134 is about 314.6410086827.

The spelling of 31149134 in words is "thirty-one million, one hundred forty-nine thousand, one hundred thirty-four".