101425444631 has 4 divisors (see below), whose sum is σ = 115914793872. Its totient is φ = 86936095392.

The previous prime is 101425444583. The next prime is 101425444639. The reversal of 101425444631 is 136444524101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136444524101 = 587 ⋅232443823.

It is a cyclic number.

It is not a de Polignac number, because 101425444631 - 2¹⁰ = 101425443607 is a prime.

It is a super-2 number, since 2×101425444631² (a number of 23 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 = 101425444591 and 101425444600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101425444639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7244674610 + ... + 7244674623.

It is an arithmetic number, because the mean of its divisors is an integer number (28978698468).

Almost surely, 2^101425444631 is an apocalyptic number.

101425444631 is a deficient number, since it is larger than the sum of its proper divisors (14489349241).

101425444631 is an equidigital number, since it uses as much as digits as its factorization.

101425444631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14489349240.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 101425444631 its reverse (136444524101), we get a palindrome (237869968732).

The spelling of 101425444631 in words is "one hundred one billion, four hundred twenty-five million, four hundred forty-four thousand, six hundred thirty-one".