2251045105231 has 8 divisors (see below), whose sum is σ = 2424228549120. Its totient is φ = 2077865393952.

The previous prime is 2251045105139. The next prime is 2251045105237. The reversal of 2251045105231 is 1325015401522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251045105231 - 2³¹ = 2248897621583 is a prime.

It is a super-2 number, since 2×2251045105231² (a number of 26 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 = 2251045105193 and 2251045105202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251045105237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388761 + ... + 2157133.

It is an arithmetic number, because the mean of its divisors is an integer number (303028568640).

Almost surely, 2^{2251045105231} is an apocalyptic number.

2251045105231 is a deficient number, since it is larger than the sum of its proper divisors (173183443889).

2251045105231 is a wasteful number, since it uses less digits than its factorization.

2251045105231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866305.

The product of its (nonzero) digits is 12000, while the sum is 31.

It can be divided in two parts, 225104 and 5105231, that added together give a palindrome (5330335).

The spelling of 2251045105231 in words is "two trillion, two hundred fifty-one billion, forty-five million, one hundred five thousand, two hundred thirty-one".