117721431003 has 16 divisors (see below), whose sum is σ = 181303595136. Its totient is φ = 67149479040.

The previous prime is 117721430999. The next prime is 117721431007. The reversal of 117721431003 is 300134127711.

It is an interprime number because it is at equal distance from previous prime (117721430999) and next prime (117721431007).

It is not a de Polignac number, because 117721431003 - 2² = 117721430999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117721431007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104920501 + ... + 104921622.

It is an arithmetic number, because the mean of its divisors is an integer number (11331474696).

Almost surely, 2^117721431003 is an apocalyptic number.

117721431003 is a deficient number, since it is larger than the sum of its proper divisors (63582164133).

117721431003 is a wasteful number, since it uses less digits than its factorization.

117721431003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209842154.

The product of its (nonzero) digits is 3528, while the sum is 30.

Adding to 117721431003 its reverse (300134127711), we get a palindrome (417855558714).

The spelling of 117721431003 in words is "one hundred seventeen billion, seven hundred twenty-one million, four hundred thirty-one thousand, three".