31838425403 has 2 divisors, whose sum is σ = 31838425404. Its totient is φ = 31838425402.

The previous prime is 31838425387. The next prime is 31838425427. The reversal of 31838425403 is 30452483813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31838425403 - 2⁴ = 31838425387 is a prime.

It is not a weakly prime, because it can be changed into another prime (31838425433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15919212701 + 15919212702.

It is an arithmetic number, because the mean of its divisors is an integer number (15919212702).

Almost surely, 2^31838425403 is an apocalyptic number.

31838425403 is a deficient number, since it is larger than the sum of its proper divisors (1).

31838425403 is an equidigital number, since it uses as much as digits as its factorization.

31838425403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 31838425403 in words is "thirty-one billion, eight hundred thirty-eight million, four hundred twenty-five thousand, four hundred three".