31400440202441 has 2 divisors, whose sum is σ = 31400440202442. Its totient is φ = 31400440202440.

The previous prime is 31400440202429. The next prime is 31400440202459. The reversal of 31400440202441 is 14420204400413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31318618460416 + 81821742025 = 5596304^2 + 286045^2 .

It is a cyclic number.

It is not a de Polignac number, because 31400440202441 - 2⁴² = 27002393691337 is a prime.

It is not a weakly prime, because it can be changed into another prime (31400440202491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700220101220 + 15700220101221.

It is an arithmetic number, because the mean of its divisors is an integer number (15700220101221).

Almost surely, 2^{31400440202441} is an apocalyptic number.

It is an amenable number.

31400440202441 is a deficient number, since it is larger than the sum of its proper divisors (1).

31400440202441 is an equidigital number, since it uses as much as digits as its factorization.

31400440202441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 31400440202441 its reverse (14420204400413), we get a palindrome (45820644602854).

The spelling of 31400440202441 in words is "thirty-one trillion, four hundred billion, four hundred forty million, two hundred two thousand, four hundred forty-one".