30461031 has 12 divisors (see below), whose sum is σ = 44404360. Its totient is φ = 20120400.

The previous prime is 30461023. The next prime is 30461063. The reversal of 30461031 is 13016403.

It is not a de Polignac number, because 30461031 - 2³ = 30461023 is a prime.

It is a super-2 number, since 2×30461031² = 1855748819165922, 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 = 30460995 and 30461013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30461231) 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 11 ways as a sum of consecutive naturals, for example, 14545 + ... + 16506.

Almost surely, 2^30461031 is an apocalyptic number.

30461031 is a deficient number, since it is larger than the sum of its proper divisors (13943329).

30461031 is a wasteful number, since it uses less digits than its factorization.

30461031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31166 (or 31163 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30461031 is about 5519.1512934508. The cubic root of 30461031 is about 312.3068664761.

Adding to 30461031 its reverse (13016403), we get a palindrome (43477434).

The spelling of 30461031 in words is "thirty million, four hundred sixty-one thousand, thirty-one".