10340431357 has 2 divisors, whose sum is σ = 10340431358. Its totient is φ = 10340431356.

The previous prime is 10340431289. The next prime is 10340431397. The reversal of 10340431357 is 75313404301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9732019801 + 608411556 = 98651^2 + 24666^2 .

It is a cyclic number.

It is not a de Polignac number, because 10340431357 - 2⁷ = 10340431229 is a prime.

It is a super-2 number, since 2×10340431357² (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 (10340431397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5170215678 + 5170215679.

It is an arithmetic number, because the mean of its divisors is an integer number (5170215679).

Almost surely, 2^10340431357 is an apocalyptic number.

It is an amenable number.

10340431357 is a deficient number, since it is larger than the sum of its proper divisors (1).

10340431357 is an equidigital number, since it uses as much as digits as its factorization.

10340431357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 10340431357 its reverse (75313404301), we get a palindrome (85653835658).

The spelling of 10340431357 in words is "ten billion, three hundred forty million, four hundred thirty-one thousand, three hundred fifty-seven".