1011021024431 has 8 divisors (see below), whose sum is σ = 1103926568400. Its totient is φ = 918281237440.

The previous prime is 1011021024427. The next prime is 1011021024437. The reversal of 1011021024431 is 1344201201101.

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 1011021024431 - 2² = 1011021024427 is a prime.

It is a super-2 number, since 2×1011021024431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011021024437) 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, 41426486 + ... + 41450883.

It is an arithmetic number, because the mean of its divisors is an integer number (137990821050).

Almost surely, 2^{1011021024431} is an apocalyptic number.

1011021024431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011021024431 is a deficient number, since it is larger than the sum of its proper divisors (92905543969).

1011021024431 is a wasteful number, since it uses less digits than its factorization.

1011021024431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82878489.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1011021024431 its reverse (1344201201101), we get a palindrome (2355222225532).

The spelling of 1011021024431 in words is "one trillion, eleven billion, twenty-one million, twenty-four thousand, four hundred thirty-one".