31363412 has 24 divisors (see below), whose sum is σ = 55931904. Its totient is φ = 15386112.

The previous prime is 31363411. The next prime is 31363447. The reversal of 31363412 is 21436313.

It is a super-2 number, since 2×31363412² = 1967327224563488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31363411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54068 + ... + 54644.

It is an arithmetic number, because the mean of its divisors is an integer number (2330496).

Almost surely, 2^31363412 is an apocalyptic number.

It is an amenable number.

31363412 is a deficient number, since it is larger than the sum of its proper divisors (24568492).

31363412 is a wasteful number, since it uses less digits than its factorization.

31363412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 813 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 31363412 is about 5600.3046345712. The cubic root of 31363412 is about 315.3608428885.

Adding to 31363412 its reverse (21436313), we get a palindrome (52799725).

The spelling of 31363412 in words is "thirty-one million, three hundred sixty-three thousand, four hundred twelve".