1123250531431 has 16 divisors (see below), whose sum is σ = 1287536800000. Its totient is φ = 959923493568.

The previous prime is 1123250531411. The next prime is 1123250531471. The reversal of 1123250531431 is 1341350523211.

It is a cyclic number.

It is not a de Polignac number, because 1123250531431 - 2¹¹ = 1123250529383 is a prime.

It is a super-2 number, since 2×1123250531431² (a number of 25 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 = 1123250531393 and 1123250531402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123250531411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3452620 + ... + 3763918.

It is an arithmetic number, because the mean of its divisors is an integer number (80471050000).

Almost surely, 2^{1123250531431} is an apocalyptic number.

1123250531431 is a deficient number, since it is larger than the sum of its proper divisors (164286268569).

1123250531431 is a wasteful number, since it uses less digits than its factorization.

1123250531431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312838.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 1123250531431 in words is "one trillion, one hundred twenty-three billion, two hundred fifty million, five hundred thirty-one thousand, four hundred thirty-one".