29948131 has 2 divisors, whose sum is σ = 29948132. Its totient is φ = 29948130.

The previous prime is 29948119. The next prime is 29948159. The reversal of 29948131 is 13184992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29948131 - 2⁵ = 29948099 is a prime.

It is a super-2 number, since 2×29948131² = 1793781100786322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29948111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14974065 + 14974066.

It is an arithmetic number, because the mean of its divisors is an integer number (14974066).

Almost surely, 2^29948131 is an apocalyptic number.

29948131 is a deficient number, since it is larger than the sum of its proper divisors (1).

29948131 is an equidigital number, since it uses as much as digits as its factorization.

29948131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 29948131 is about 5472.4885564065. The cubic root of 29948131 is about 310.5440705760.

The spelling of 29948131 in words is "twenty-nine million, nine hundred forty-eight thousand, one hundred thirty-one".