31384034 has 16 divisors (see below), whose sum is σ = 51442560. Its totient is φ = 14241360.

The previous prime is 31384027. The next prime is 31384037. The reversal of 31384034 is 43048313.

It is a super-2 number, since 2×31384034² = 1969915180226312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31383994 and 31384012.

It is not an unprimeable number, because it can be changed into a prime (31384037) 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, 22172 + ... + 23544.

It is an arithmetic number, because the mean of its divisors is an integer number (3215160).

Almost surely, 2^31384034 is an apocalyptic number.

31384034 is a deficient number, since it is larger than the sum of its proper divisors (20058526).

31384034 is a wasteful number, since it uses less digits than its factorization.

31384034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 31384034 is about 5602.1454818667. The cubic root of 31384034 is about 315.4299461955.

The spelling of 31384034 in words is "thirty-one million, three hundred eighty-four thousand, thirty-four".