31069396 has 6 divisors (see below), whose sum is σ = 54371450. Its totient is φ = 15534696.

The previous prime is 31069393. The next prime is 31069399. The reversal of 31069396 is 69396013.

It is an interprime number because it is at equal distance from previous prime (31069393) and next prime (31069399).

It can be written as a sum of positive squares in only one way, i.e., 30140100 + 929296 = 5490^2 + 964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31069393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3883671 + ... + 3883678.

Almost surely, 2^31069396 is an apocalyptic number.

It is an amenable number.

31069396 is a deficient number, since it is larger than the sum of its proper divisors (23302054).

31069396 is a wasteful number, since it uses less digits than its factorization.

31069396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767353 (or 7767351 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 31069396 is about 5573.9928238203. The cubic root of 31069396 is about 314.3722983403.

The spelling of 31069396 in words is "thirty-one million, sixty-nine thousand, three hundred ninety-six".