10031320234477 has 2 divisors, whose sum is σ = 10031320234478. Its totient is φ = 10031320234476.

The previous prime is 10031320234471. The next prime is 10031320234487. The reversal of 10031320234477 is 77443202313001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9604507584996 + 426812649481 = 3099114^2 + 653309^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031320234477 - 2²⁷ = 10031186016749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031320234471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015660117238 + 5015660117239.

It is an arithmetic number, because the mean of its divisors is an integer number (5015660117239).

Almost surely, 2^{10031320234477} is an apocalyptic number.

It is an amenable number.

10031320234477 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031320234477 is an equidigital number, since it uses as much as digits as its factorization.

10031320234477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 37.

Adding to 10031320234477 its reverse (77443202313001), we get a palindrome (87474522547478).

The spelling of 10031320234477 in words is "ten trillion, thirty-one billion, three hundred twenty million, two hundred thirty-four thousand, four hundred seventy-seven".