125311941031 has 4 divisors (see below), whose sum is σ = 125324081064. Its totient is φ = 125299801000.

The previous prime is 125311940969. The next prime is 125311941089. The reversal of 125311941031 is 130149113521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125311941031 - 2⁷ = 125311940903 is a prime.

It is a super-2 number, since 2×125311941031² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125311940984 and 125311941002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125311941431) 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, 6054520 + ... + 6075181.

It is an arithmetic number, because the mean of its divisors is an integer number (31331020266).

Almost surely, 2^125311941031 is an apocalyptic number.

125311941031 is a deficient number, since it is larger than the sum of its proper divisors (12140033).

125311941031 is a wasteful number, since it uses less digits than its factorization.

125311941031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12140032.

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 125311941031 in words is "one hundred twenty-five billion, three hundred eleven million, nine hundred forty-one thousand, thirty-one".