29942031 has 8 divisors (see below), whose sum is σ = 45625984. Its totient is φ = 17109720.

The previous prime is 29942023. The next prime is 29942039. The reversal of 29942031 is 13024992.

It is an interprime number because it is at equal distance from previous prime (29942023) and next prime (29942039).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29942031 - 2³ = 29942023 is a prime.

It is a super-2 number, since 2×29942031² = 1793050440809922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29942031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29942039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712885 + ... + 712926.

It is an arithmetic number, because the mean of its divisors is an integer number (5703248).

Almost surely, 2^29942031 is an apocalyptic number.

29942031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

29942031 is a deficient number, since it is larger than the sum of its proper divisors (15683953).

29942031 is a wasteful number, since it uses less digits than its factorization.

29942031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425821.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 29942031 is about 5471.9311947429. The cubic root of 29942031 is about 310.5229847030.

The spelling of 29942031 in words is "twenty-nine million, nine hundred forty-two thousand, thirty-one".