31124426 has 8 divisors (see below), whose sum is σ = 47326404. Its totient is φ = 15348960.

The previous prime is 31124411. The next prime is 31124441. The reversal of 31124426 is 62442113.

It is an interprime number because it is at equal distance from previous prime (31124411) and next prime (31124441).

It can be written as a sum of positive squares in 2 ways, for example, as 28079401 + 3045025 = 5299^2 + 1745^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106445 + ... + 106736.

Almost surely, 2^31124426 is an apocalyptic number.

31124426 is a deficient number, since it is larger than the sum of its proper divisors (16201978).

31124426 is a wasteful number, since it uses less digits than its factorization.

31124426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213256.

The product of its digits is 1152, while the sum is 23.

The square root of 31124426 is about 5578.9269577581. The cubic root of 31124426 is about 314.5577938869.

Adding to 31124426 its reverse (62442113), we get a palindrome (93566539).

The spelling of 31124426 in words is "thirty-one million, one hundred twenty-four thousand, four hundred twenty-six".