31007196 has 36 divisors (see below), whose sum is σ = 85505784. Its totient is φ = 9396000.

The previous prime is 31007159. The next prime is 31007213. The reversal of 31007196 is 69170013.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×31007196² = 1922892407564832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 38755 + ... + 39546.

Almost surely, 2^31007196 is an apocalyptic number.

31007196 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

31007196 is an abundant number, since it is smaller than the sum of its proper divisors (54498588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31007196 is a wasteful number, since it uses less digits than its factorization.

31007196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78322 (or 78317 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 31007196 is about 5568.4105452095. The cubic root of 31007196 is about 314.1623702136.

It can be divided in two parts, 3100 and 7196, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 31007196 in words is "thirty-one million, seven thousand, one hundred ninety-six".