29993702988131 has 4 divisors (see below), whose sum is σ = 29994264921264. Its totient is φ = 29993141055000.

The previous prime is 29993702988101. The next prime is 29993702988143. The reversal of 29993702988131 is 13188920739992.

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 29993702988131 - 2¹⁴ = 29993702971747 is a prime.

It is a super-2 number, since 2×29993702988131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29993702988101) 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, 280886495 + ... + 280993256.

It is an arithmetic number, because the mean of its divisors is an integer number (7498566230316).

Almost surely, 2^{29993702988131} is an apocalyptic number.

29993702988131 is a deficient number, since it is larger than the sum of its proper divisors (561933133).

29993702988131 is an equidigital number, since it uses as much as digits as its factorization.

29993702988131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561933132.

The product of its (nonzero) digits is 105815808, while the sum is 71.

The spelling of 29993702988131 in words is "twenty-nine trillion, nine hundred ninety-three billion, seven hundred two million, nine hundred eighty-eight thousand, one hundred thirty-one".