1011321451031 has 8 divisors (see below), whose sum is σ = 1014368719344. Its totient is φ = 1008276796800.

The previous prime is 1011321451027. The next prime is 1011321451039. The reversal of 1011321451031 is 1301541231101.

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 1011321451031 - 2² = 1011321451027 is a prime.

It is a super-2 number, since 2×1011321451031² (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 = 1011321450988 and 1011321451006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011321451039) 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, 122780 + ... + 1427486.

It is an arithmetic number, because the mean of its divisors is an integer number (126796089918).

Almost surely, 2^{1011321451031} is an apocalyptic number.

1011321451031 is a deficient number, since it is larger than the sum of its proper divisors (3047268313).

1011321451031 is a wasteful number, since it uses less digits than its factorization.

1011321451031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307041.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 1011321451031 its reverse (1301541231101), we get a palindrome (2312862682132).

The spelling of 1011321451031 in words is "one trillion, eleven billion, three hundred twenty-one million, four hundred fifty-one thousand, thirty-one".