31234403413 has 2 divisors, whose sum is σ = 31234403414. Its totient is φ = 31234403412.

The previous prime is 31234403401. The next prime is 31234403437. The reversal of 31234403413 is 31430443213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29796628689 + 1437774724 = 172617^2 + 37918^2 .

It is a cyclic number.

It is not a de Polignac number, because 31234403413 - 2⁵ = 31234403381 is a prime.

It is a super-5 number, since 5×31234403413⁵ (a number of 54 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31234403483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15617201706 + 15617201707.

It is an arithmetic number, because the mean of its divisors is an integer number (15617201707).

Almost surely, 2^31234403413 is an apocalyptic number.

It is an amenable number.

31234403413 is a deficient number, since it is larger than the sum of its proper divisors (1).

31234403413 is an equidigital number, since it uses as much as digits as its factorization.

31234403413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31234403413 its reverse (31430443213), we get a palindrome (62664846626).

The spelling of 31234403413 in words is "thirty-one billion, two hundred thirty-four million, four hundred three thousand, four hundred thirteen".