31374153 has 6 divisors (see below), whose sum is σ = 45318234. Its totient is φ = 20916096.

The previous prime is 31374151. The next prime is 31374169. The reversal of 31374153 is 35147313.

It can be written as a sum of positive squares in only one way, i.e., 26656569 + 4717584 = 5163^2 + 2172^2 .

It is not a de Polignac number, because 31374153 - 2¹ = 31374151 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31374151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1743000 + ... + 1743017.

It is an arithmetic number, because the mean of its divisors is an integer number (7553039).

Almost surely, 2^31374153 is an apocalyptic number.

It is an amenable number.

31374153 is a deficient number, since it is larger than the sum of its proper divisors (13944081).

31374153 is a wasteful number, since it uses less digits than its factorization.

31374153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486023 (or 3486020 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 31374153 is about 5601.2635181716. The cubic root of 31374153 is about 315.3968392294.

The spelling of 31374153 in words is "thirty-one million, three hundred seventy-four thousand, one hundred fifty-three".