31734503623 has 2 divisors, whose sum is σ = 31734503624. Its totient is φ = 31734503622.

The previous prime is 31734503617. The next prime is 31734503629. The reversal of 31734503623 is 32630543713.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (31734503617) and next prime (31734503629).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31734503623 is a prime.

It is a super-2 number, since 2×31734503623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31734503629) 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 as a sum of consecutive naturals, namely, 15867251811 + 15867251812.

It is an arithmetic number, because the mean of its divisors is an integer number (15867251812).

Almost surely, 2^31734503623 is an apocalyptic number.

31734503623 is a deficient number, since it is larger than the sum of its proper divisors (1).

31734503623 is an equidigital number, since it uses as much as digits as its factorization.

31734503623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 37.

The spelling of 31734503623 in words is "thirty-one billion, seven hundred thirty-four million, five hundred three thousand, six hundred twenty-three".