31045124 has 24 divisors (see below), whose sum is σ = 61846848. Its totient is φ = 13497440.

The previous prime is 31045117. The next prime is 31045129. The reversal of 31045124 is 42154013.

It is a junction number, because it is equal to n+sod(n) for n = 31045096 and 31045105.

It is not an unprimeable number, because it can be changed into a prime (31045129) 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, 14327 + ... + 16350.

It is an arithmetic number, because the mean of its divisors is an integer number (2576952).

Almost surely, 2^31045124 is an apocalyptic number.

It is an amenable number.

31045124 is a deficient number, since it is larger than the sum of its proper divisors (30801724).

31045124 is a wasteful number, since it uses less digits than its factorization.

31045124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30715 (or 30713 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 31045124 is about 5571.8151440980. The cubic root of 31045124 is about 314.2904124839.

Adding to 31045124 its reverse (42154013), we get a palindrome (73199137).

Subtracting 31045124 from its reverse (42154013), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 3104 and 5124, that added together give a palindrome (8228).

The spelling of 31045124 in words is "thirty-one million, forty-five thousand, one hundred twenty-four".