101320456428 has 36 divisors (see below), whose sum is σ = 267251061168. Its totient is φ = 32305072800.

The previous prime is 101320456427. The next prime is 101320456459. The reversal of 101320456428 is 824654023101.

It is a happy number.

101320456428 is a `hidden beast` number, since 1 + 0 + 1 + 3 + 2 + 0 + 4 + 5 + 642 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 101320456392 and 101320456401.

It is not an unprimeable number, because it can be changed into a prime (101320456427) 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, 61183023 + ... + 61184678.

It is an arithmetic number, because the mean of its divisors is an integer number (7423640588).

Almost surely, 2^101320456428 is an apocalyptic number.

101320456428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

101320456428 is an abundant number, since it is smaller than the sum of its proper divisors (165930604740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101320456428 is a wasteful number, since it uses less digits than its factorization.

101320456428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122367734 (or 122367729 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 101320456428 its reverse (824654023101), we get a palindrome (925974479529).

The spelling of 101320456428 in words is "one hundred one billion, three hundred twenty million, four hundred fifty-six thousand, four hundred twenty-eight".