10400231213 has 2 divisors, whose sum is σ = 10400231214. Its totient is φ = 10400231212.

The previous prime is 10400231201. The next prime is 10400231269. The reversal of 10400231213 is 31213200401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9295466569 + 1104764644 = 96413^2 + 33238^2 .

It is a cyclic number.

It is not a de Polignac number, because 10400231213 - 2¹⁰ = 10400230189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10400231191 and 10400231200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10400231273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200115606 + 5200115607.

It is an arithmetic number, because the mean of its divisors is an integer number (5200115607).

Almost surely, 2^10400231213 is an apocalyptic number.

It is an amenable number.

10400231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400231213 is an equidigital number, since it uses as much as digits as its factorization.

10400231213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10400231213 its reverse (31213200401), we get a palindrome (41613431614).

The spelling of 10400231213 in words is "ten billion, four hundred million, two hundred thirty-one thousand, two hundred thirteen".