3913840031 has 8 divisors (see below), whose sum is σ = 3970292400. Its totient is φ = 3857464512.

The previous prime is 3913840003. The next prime is 3913840043. The reversal of 3913840031 is 1300483193.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3913840031 - 2¹⁸ = 3913577887 is a prime.

It is a super-2 number, since 2×3913840031² = 30636287576516161922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3913840031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913840061) 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, 87620 + ... + 124518.

It is an arithmetic number, because the mean of its divisors is an integer number (496286550).

Almost surely, 2^3913840031 is an apocalyptic number.

3913840031 is a deficient number, since it is larger than the sum of its proper divisors (56452369).

3913840031 is a wasteful number, since it uses less digits than its factorization.

3913840031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38425.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 3913840031 is about 62560.6907810328. The cubic root of 3913840031 is about 1575.9206886692.

The spelling of 3913840031 in words is "three billion, nine hundred thirteen million, eight hundred forty thousand, thirty-one".