19990034330131 has 16 divisors (see below), whose sum is σ = 21562412728320. Its totient is φ = 18477999761760.

The previous prime is 19990034330129. The next prime is 19990034330159. The reversal of 19990034330131 is 13103343009991.

It is a cyclic number.

It is not a de Polignac number, because 19990034330131 - 2¹ = 19990034330129 is a prime.

It is a super-2 number, since 2×19990034330131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19990034330111) 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, 19266355 + ... + 20277388.

It is an arithmetic number, because the mean of its divisors is an integer number (1347650795520).

Almost surely, 2^{19990034330131} is an apocalyptic number.

19990034330131 is a deficient number, since it is larger than the sum of its proper divisors (1572378398189).

19990034330131 is a wasteful number, since it uses less digits than its factorization.

19990034330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39544506.

The product of its (nonzero) digits is 236196, while the sum is 46.

The spelling of 19990034330131 in words is "nineteen trillion, nine hundred ninety billion, thirty-four million, three hundred thirty thousand, one hundred thirty-one".