31422300029 has 2 divisors, whose sum is σ = 31422300030. Its totient is φ = 31422300028.

The previous prime is 31422299999. The next prime is 31422300067. The reversal of 31422300029 is 92000322413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30799548004 + 622752025 = 175498^2 + 24955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31422300029 is a prime.

It is a super-2 number, since 2×31422300029² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31422299980 and 31422300007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31422300079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711150014 + 15711150015.

It is an arithmetic number, because the mean of its divisors is an integer number (15711150015).

Almost surely, 2^31422300029 is an apocalyptic number.

It is an amenable number.

31422300029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422300029 is an equidigital number, since it uses as much as digits as its factorization.

31422300029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 31422300029 in words is "thirty-one billion, four hundred twenty-two million, three hundred thousand, twenty-nine".