31421476711 has 2 divisors, whose sum is σ = 31421476712. Its totient is φ = 31421476710.

The previous prime is 31421476643. The next prime is 31421476733. The reversal of 31421476711 is 11767412413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31421476711 - 2²¹ = 31419379559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31421476111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15710738355 + 15710738356.

It is an arithmetic number, because the mean of its divisors is an integer number (15710738356).

Almost surely, 2^31421476711 is an apocalyptic number.

31421476711 is a deficient number, since it is larger than the sum of its proper divisors (1).

31421476711 is an equidigital number, since it uses as much as digits as its factorization.

31421476711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The spelling of 31421476711 in words is "thirty-one billion, four hundred twenty-one million, four hundred seventy-six thousand, seven hundred eleven".