31341272 has 32 divisors (see below), whose sum is σ = 62380800. Its totient is φ = 14730144.

The previous prime is 31341269. The next prime is 31341283. The reversal of 31341272 is 27214313.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9413 + ... + 12299.

It is an arithmetic number, because the mean of its divisors is an integer number (1949400).

Almost surely, 2^31341272 is an apocalyptic number.

It is an amenable number.

31341272 is a deficient number, since it is larger than the sum of its proper divisors (31039528).

31341272 is a wasteful number, since it uses less digits than its factorization.

31341272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 2971 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 31341272 is about 5598.3276074199. The cubic root of 31341272 is about 315.2866191122.

Adding to 31341272 its reverse (27214313), we get a palindrome (58555585).

It can be divided in two parts, 31341 and 272, that added together give a palindrome (31613).

The spelling of 31341272 in words is "thirty-one million, three hundred forty-one thousand, two hundred seventy-two".