3131223703 has 4 divisors (see below), whose sum is σ = 3267363888. Its totient is φ = 2995083520.

The previous prime is 3131223691. The next prime is 3131223743. The reversal of 3131223703 is 3073221313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3073221313 = 601 ⋅5113513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131223703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131223743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68070058 + ... + 68070103.

It is an arithmetic number, because the mean of its divisors is an integer number (816840972).

Almost surely, 2^3131223703 is an apocalyptic number.

3131223703 is a deficient number, since it is larger than the sum of its proper divisors (136140185).

3131223703 is a wasteful number, since it uses less digits than its factorization.

3131223703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136140184.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 3131223703 is about 55957.3382408420. The cubic root of 3131223703 is about 1462.9787971181.

The spelling of 3131223703 in words is "three billion, one hundred thirty-one million, two hundred twenty-three thousand, seven hundred three".