30140342031 has 32 divisors (see below), whose sum is σ = 42511795200. Its totient is φ = 18963584640.

The previous prime is 30140341993. The next prime is 30140342077. The reversal of 30140342031 is 13024304103.

It is not a de Polignac number, because 30140342031 - 2⁶ = 30140341967 is a prime.

It is a super-2 number, since 2×30140342031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30140341989 and 30140342007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140342431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3508161 + ... + 3516741.

It is an arithmetic number, because the mean of its divisors is an integer number (1328493600).

Almost surely, 2^30140342031 is an apocalyptic number.

30140342031 is a deficient number, since it is larger than the sum of its proper divisors (12371453169).

30140342031 is a wasteful number, since it uses less digits than its factorization.

30140342031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30140342031 its reverse (13024304103), we get a palindrome (43164646134).

The spelling of 30140342031 in words is "thirty billion, one hundred forty million, three hundred forty-two thousand, thirty-one".