124311113031 has 64 divisors (see below), whose sum is σ = 197164661760. Its totient is φ = 68199183360.

The previous prime is 124311113011. The next prime is 124311113041. The reversal of 124311113031 is 130311113421.

It is not a de Polignac number, because 124311113031 - 2²¹ = 124309015879 is a prime.

It is a super-2 number, since 2×124311113031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 124311112989 and 124311113007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124311113011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13899021 + ... + 13907961.

It is an arithmetic number, because the mean of its divisors is an integer number (3080697840).

Almost surely, 2^124311113031 is an apocalyptic number.

124311113031 is a deficient number, since it is larger than the sum of its proper divisors (72853548729).

124311113031 is a wasteful number, since it uses less digits than its factorization.

124311113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 124311113031 its reverse (130311113421), we get a palindrome (254622226452).

The spelling of 124311113031 in words is "one hundred twenty-four billion, three hundred eleven million, one hundred thirteen thousand, thirty-one".