31414401901 has 2 divisors, whose sum is σ = 31414401902. Its totient is φ = 31414401900.

The previous prime is 31414401899. The next prime is 31414401911. The reversal of 31414401901 is 10910441413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22358024676 + 9056377225 = 149526^2 + 95165^2 .

It is a cyclic number.

It is not a de Polignac number, because 31414401901 - 2¹ = 31414401899 is a prime.

Together with 31414401899, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31414401901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31414401911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15707200950 + 15707200951.

It is an arithmetic number, because the mean of its divisors is an integer number (15707200951).

Almost surely, 2^31414401901 is an apocalyptic number.

It is an amenable number.

31414401901 is a deficient number, since it is larger than the sum of its proper divisors (1).

31414401901 is an equidigital number, since it uses as much as digits as its factorization.

31414401901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 31414401901 in words is "thirty-one billion, four hundred fourteen million, four hundred one thousand, nine hundred one".