30154530031031 has 8 divisors (see below), whose sum is σ = 36276126353280. Its totient is φ = 24486385288248.

The previous prime is 30154530031007. The next prime is 30154530031033. The reversal of 30154530031031 is 13013003545103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30154530031031 is a prime.

It is a super-2 number, since 2×30154530031031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30154530030985 and 30154530031003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30154530031033) 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, 113362894721 + ... + 113362894986.

It is an arithmetic number, because the mean of its divisors is an integer number (4534515794160).

Almost surely, 2^{30154530031031} is an apocalyptic number.

30154530031031 is a deficient number, since it is larger than the sum of its proper divisors (6121596322249).

30154530031031 is a wasteful number, since it uses less digits than its factorization.

30154530031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226725789733.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 30154530031031 its reverse (13013003545103), we get a palindrome (43167533576134).

The spelling of 30154530031031 in words is "thirty trillion, one hundred fifty-four billion, five hundred thirty million, thirty-one thousand, thirty-one".