1016772723431 has 2 divisors, whose sum is σ = 1016772723432. Its totient is φ = 1016772723430.

The previous prime is 1016772723311. The next prime is 1016772723481. The reversal of 1016772723431 is 1343272776101.

1016772723431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1016772723431 - 2²⁶ = 1016705614567 is a prime.

It is a super-2 number, since 2×1016772723431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016772723481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508386361715 + 508386361716.

It is an arithmetic number, because the mean of its divisors is an integer number (508386361716).

Almost surely, 2^{1016772723431} is an apocalyptic number.

1016772723431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016772723431 is an equidigital number, since it uses as much as digits as its factorization.

1016772723431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 1016772723431 in words is "one trillion, sixteen billion, seven hundred seventy-two million, seven hundred twenty-three thousand, four hundred thirty-one".