31412143277 has 2 divisors, whose sum is σ = 31412143278. Its totient is φ = 31412143276.

The previous prime is 31412143249. The next prime is 31412143351. The reversal of 31412143277 is 77234121413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30856786921 + 555356356 = 175661^2 + 23566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31412143277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31412143247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15706071638 + 15706071639.

It is an arithmetic number, because the mean of its divisors is an integer number (15706071639).

Almost surely, 2^31412143277 is an apocalyptic number.

It is an amenable number.

31412143277 is a deficient number, since it is larger than the sum of its proper divisors (1).

31412143277 is an equidigital number, since it uses as much as digits as its factorization.

31412143277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The spelling of 31412143277 in words is "thirty-one billion, four hundred twelve million, one hundred forty-three thousand, two hundred seventy-seven".