30450621053031 has 16 divisors (see below), whose sum is σ = 43323161898240. Its totient is φ = 18968519528640.

The previous prime is 30450621053029. The next prime is 30450621053053. The reversal of 30450621053031 is 13035012605403.

It is not a de Polignac number, because 30450621053031 - 2¹ = 30450621053029 is a prime.

It is a super-2 number, since 2×30450621053031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30450621052983 and 30450621053001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30450621054031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3659046675 + ... + 3659054996.

It is an arithmetic number, because the mean of its divisors is an integer number (2707697618640).

Almost surely, 2^{30450621053031} is an apocalyptic number.

30450621053031 is a deficient number, since it is larger than the sum of its proper divisors (12872540845209).

30450621053031 is a wasteful number, since it uses less digits than its factorization.

30450621053031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7318101766.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 30450621053031 its reverse (13035012605403), we get a palindrome (43485633658434).

The spelling of 30450621053031 in words is "thirty trillion, four hundred fifty billion, six hundred twenty-one million, fifty-three thousand, thirty-one".