297031313781 has 12 divisors (see below), whose sum is σ = 447699371808. Its totient is φ = 189411272424.

The previous prime is 297031313771. The next prime is 297031313867. The reversal of 297031313781 is 187313130792.

It is not a de Polignac number, because 297031313781 - 2¹⁰ = 297031312757 is a prime.

It is a super-2 number, since 2×297031313781² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297031313701) 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 in 11 ways as a sum of consecutive naturals, for example, 717466735 + ... + 717467148.

It is an arithmetic number, because the mean of its divisors is an integer number (37308280984).

Almost surely, 2^297031313781 is an apocalyptic number.

It is an amenable number.

297031313781 is a deficient number, since it is larger than the sum of its proper divisors (150668058027).

297031313781 is a wasteful number, since it uses less digits than its factorization.

297031313781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434933912 (or 1434933909 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 297031313781 in words is "two hundred ninety-seven billion, thirty-one million, three hundred thirteen thousand, seven hundred eighty-one".