101630553531 has 16 divisors (see below), whose sum is σ = 146774593056. Its totient is φ = 62180361216.

The previous prime is 101630553527. The next prime is 101630553559. The reversal of 101630553531 is 135355036101.

It is not a de Polignac number, because 101630553531 - 2² = 101630553527 is a prime.

It is a super-2 number, since 2×101630553531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101630553492 and 101630553501.

It is not an unprimeable number, because it can be changed into a prime (101630555531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7524790 + ... + 7538283.

It is an arithmetic number, because the mean of its divisors is an integer number (9173412066).

Almost surely, 2^101630553531 is an apocalyptic number.

101630553531 is a deficient number, since it is larger than the sum of its proper divisors (45144039525).

101630553531 is a wasteful number, since it uses less digits than its factorization.

101630553531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15063262.

The product of its (nonzero) digits is 20250, while the sum is 33.

Adding to 101630553531 its reverse (135355036101), we get a palindrome (236985589632).

The spelling of 101630553531 in words is "one hundred one billion, six hundred thirty million, five hundred fifty-three thousand, five hundred thirty-one".