125130110031 has 12 divisors (see below), whose sum is σ = 180767147808. Its totient is φ = 83409155424.

The previous prime is 125130110029. The next prime is 125130110033. The reversal of 125130110031 is 130011031521.

125130110031 is a `hidden beast` number, since 12 + 513 + 0 + 110 + 0 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (125130110029) and next prime (125130110033).

It is not a de Polignac number, because 125130110031 - 2¹ = 125130110029 is a prime.

It is a super-2 number, since 2×125130110031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125130109986 and 125130110013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125130110033) 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, 836935 + ... + 975048.

It is an arithmetic number, because the mean of its divisors is an integer number (15063928984).

Almost surely, 2^125130110031 is an apocalyptic number.

125130110031 is a deficient number, since it is larger than the sum of its proper divisors (55637037777).

125130110031 is a wasteful number, since it uses less digits than its factorization.

125130110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819662 (or 1819659 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 125130110031 its reverse (130011031521), we get a palindrome (255141141552).

The spelling of 125130110031 in words is "one hundred twenty-five billion, one hundred thirty million, one hundred ten thousand, thirty-one".