40722012031 has 2 divisors, whose sum is σ = 40722012032. Its totient is φ = 40722012030.

The previous prime is 40722011999. The next prime is 40722012059. The reversal of 40722012031 is 13021022704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40722012031 - 2⁵ = 40722011999 is a prime.

It is a super-2 number, since 2×40722012031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40722011993 and 40722012011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40722012131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20361006015 + 20361006016.

It is an arithmetic number, because the mean of its divisors is an integer number (20361006016).

Almost surely, 2^40722012031 is an apocalyptic number.

40722012031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40722012031 is an equidigital number, since it uses as much as digits as its factorization.

40722012031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 40722012031 its reverse (13021022704), we get a palindrome (53743034735).

The spelling of 40722012031 in words is "forty billion, seven hundred twenty-two million, twelve thousand, thirty-one".