10161031277 has 2 divisors, whose sum is σ = 10161031278. Its totient is φ = 10161031276.

The previous prime is 10161031247. The next prime is 10161031301. The reversal of 10161031277 is 77213016101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7951467241 + 2209564036 = 89171^2 + 47006^2 .

It is a cyclic number.

It is not a de Polignac number, because 10161031277 - 2⁶ = 10161031213 is a prime.

It is a super-2 number, since 2×10161031277² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10161031247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080515638 + 5080515639.

It is an arithmetic number, because the mean of its divisors is an integer number (5080515639).

Almost surely, 2^10161031277 is an apocalyptic number.

It is an amenable number.

10161031277 is a deficient number, since it is larger than the sum of its proper divisors (1).

10161031277 is an equidigital number, since it uses as much as digits as its factorization.

10161031277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

Adding to 10161031277 its reverse (77213016101), we get a palindrome (87374047378).

The spelling of 10161031277 in words is "ten billion, one hundred sixty-one million, thirty-one thousand, two hundred seventy-seven".