30292131 has 8 divisors (see below), whose sum is σ = 40680640. Its totient is φ = 20049192.

The previous prime is 30292123. The next prime is 30292133. The reversal of 30292131 is 13129203.

It is a happy number.

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

It is not a de Polignac number, because 30292131 - 2³ = 30292123 is a prime.

It is a super-2 number, since 2×30292131² = 1835226401042322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30292098 and 30292107.

It is not an unprimeable number, because it can be changed into a prime (30292133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35905 + ... + 36738.

It is an arithmetic number, because the mean of its divisors is an integer number (5085080).

Almost surely, 2^30292131 is an apocalyptic number.

30292131 is a deficient number, since it is larger than the sum of its proper divisors (10388509).

30292131 is a wasteful number, since it uses less digits than its factorization.

30292131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72785.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 30292131 is about 5503.8287582373. The cubic root of 30292131 is about 311.7285710519.

The spelling of 30292131 in words is "thirty million, two hundred ninety-two thousand, one hundred thirty-one".