105031483021 has 2 divisors, whose sum is σ = 105031483022. Its totient is φ = 105031483020.

The previous prime is 105031482979. The next prime is 105031483099. The reversal of 105031483021 is 120384130501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104336106121 + 695376900 = 323011^2 + 26370^2 .

It is a cyclic number.

It is not a de Polignac number, because 105031483021 - 2¹¹ = 105031480973 is a prime.

It is a super-2 number, since 2×105031483021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105031403021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52515741510 + 52515741511.

It is an arithmetic number, because the mean of its divisors is an integer number (52515741511).

Almost surely, 2^105031483021 is an apocalyptic number.

It is an amenable number.

105031483021 is a deficient number, since it is larger than the sum of its proper divisors (1).

105031483021 is an equidigital number, since it uses as much as digits as its factorization.

105031483021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 105031483021 in words is "one hundred five billion, thirty-one million, four hundred eighty-three thousand, twenty-one".