10031939 has 2 divisors, whose sum is σ = 10031940. Its totient is φ = 10031938.

The previous prime is 10031929. The next prime is 10031951. The reversal of 10031939 is 93913001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10031939 is a prime.

It is not a weakly prime, because it can be changed into another prime (10031909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015969 + 5015970.

It is an arithmetic number, because the mean of its divisors is an integer number (5015970).

Almost surely, 2^10031939 is an apocalyptic number.

10031939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031939 is an equidigital number, since it uses as much as digits as its factorization.

10031939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 10031939 is about 3167.3236336061. The cubic root of 10031939 is about 215.6725935410.

The spelling of 10031939 in words is "ten million, thirty-one thousand, nine hundred thirty-nine".