30842140243437 has 12 divisors (see below), whose sum is σ = 44550391073760. Its totient is φ = 20561134700808.

The previous prime is 30842140243423. The next prime is 30842140243471. The reversal of 30842140243437 is 73434204124803.

30842140243437 is a `hidden beast` number, since 3 + 0 + 8 + 42 + 140 + 2 + 434 + 37 = 666.

It is not a de Polignac number, because 30842140243437 - 2⁸ = 30842140243181 is a prime.

It is a super-2 number, since 2×30842140243437² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30842140243392 and 30842140243401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30842140243037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23674387 + ... + 24943152.

It is an arithmetic number, because the mean of its divisors is an integer number (3712532589480).

Almost surely, 2^{30842140243437} is an apocalyptic number.

It is an amenable number.

30842140243437 is a deficient number, since it is larger than the sum of its proper divisors (13708250830323).

30842140243437 is a wasteful number, since it uses less digits than its factorization.

30842140243437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48688032 (or 48688029 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 45.

The spelling of 30842140243437 in words is "thirty trillion, eight hundred forty-two billion, one hundred forty million, two hundred forty-three thousand, four hundred thirty-seven".