31430234051 has 2 divisors, whose sum is σ = 31430234052. Its totient is φ = 31430234050.

The previous prime is 31430234041. The next prime is 31430234107. The reversal of 31430234051 is 15043203413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31430234051 - 2¹⁴ = 31430217667 is a prime.

It is a super-2 number, since 2×31430234051² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31430234051.

It is not a weakly prime, because it can be changed into another prime (31430234021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715117025 + 15715117026.

It is an arithmetic number, because the mean of its divisors is an integer number (15715117026).

Almost surely, 2^31430234051 is an apocalyptic number.

31430234051 is a deficient number, since it is larger than the sum of its proper divisors (1).

31430234051 is an equidigital number, since it uses as much as digits as its factorization.

31430234051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 31430234051 its reverse (15043203413), we get a palindrome (46473437464).

The spelling of 31430234051 in words is "thirty-one billion, four hundred thirty million, two hundred thirty-four thousand, fifty-one".