31422011293 has 2 divisors, whose sum is σ = 31422011294. Its totient is φ = 31422011292.

The previous prime is 31422011249. The next prime is 31422011329. The reversal of 31422011293 is 39211022413.

It is a happy number.

Together with next prime (31422011329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27305249049 + 4116762244 = 165243^2 + 64162^2 .

It is an emirp because it is prime and its reverse (39211022413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31422011293 - 2¹³ = 31422003101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31422011213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711005646 + 15711005647.

It is an arithmetic number, because the mean of its divisors is an integer number (15711005647).

Almost surely, 2^31422011293 is an apocalyptic number.

It is an amenable number.

31422011293 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422011293 is an equidigital number, since it uses as much as digits as its factorization.

31422011293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 31422011293 in words is "thirty-one billion, four hundred twenty-two million, eleven thousand, two hundred ninety-three".