1230450051031 has 4 divisors (see below), whose sum is σ = 1230452892592. Its totient is φ = 1230447209472.

The previous prime is 1230450051029. The next prime is 1230450051041. The reversal of 1230450051031 is 1301500540321.

It is a happy number.

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 1230450051031 - 2¹ = 1230450051029 is a prime.

It is a super-2 number, since 2×1230450051031² (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 = 1230450050987 and 1230450051005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230450051041) 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, 621291 + ... + 1687276.

It is an arithmetic number, because the mean of its divisors is an integer number (307613223148).

Almost surely, 2^{1230450051031} is an apocalyptic number.

1230450051031 is a deficient number, since it is larger than the sum of its proper divisors (2841561).

1230450051031 is an equidigital number, since it uses as much as digits as its factorization.

1230450051031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841560.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 1230450051031 its reverse (1301500540321), we get a palindrome (2531950591352).

The spelling of 1230450051031 in words is "one trillion, two hundred thirty billion, four hundred fifty million, fifty-one thousand, thirty-one".