19698114031 has 4 divisors (see below), whose sum is σ = 19800176992. Its totient is φ = 19596051072.

The previous prime is 19698113999. The next prime is 19698114053. The reversal of 19698114031 is 13041189691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19698114031 - 2⁵ = 19698113999 is a prime.

It is a super-2 number, since 2×19698114031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19698114061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51031191 + ... + 51031576.

It is an arithmetic number, because the mean of its divisors is an integer number (4950044248).

Almost surely, 2^19698114031 is an apocalyptic number.

19698114031 is a deficient number, since it is larger than the sum of its proper divisors (102062961).

19698114031 is a wasteful number, since it uses less digits than its factorization.

19698114031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102062960.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 19698114031 in words is "nineteen billion, six hundred ninety-eight million, one hundred fourteen thousand, thirty-one".