1022013133231 has 4 divisors (see below), whose sum is σ = 1046940282864. Its totient is φ = 997085983600.

The previous prime is 1022013133153. The next prime is 1022013133279. The reversal of 1022013133231 is 1323313102201.

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 1022013133231 - 2⁷ = 1022013133103 is a prime.

It is a super-3 number, since 3×1022013133231³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022013136231) 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, 12463574755 + ... + 12463574836.

It is an arithmetic number, because the mean of its divisors is an integer number (261735070716).

Almost surely, 2^{1022013133231} is an apocalyptic number.

1022013133231 is a deficient number, since it is larger than the sum of its proper divisors (24927149633).

1022013133231 is an equidigital number, since it uses as much as digits as its factorization.

1022013133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24927149632.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1022013133231 its reverse (1323313102201), we get a palindrome (2345326235432).

The spelling of 1022013133231 in words is "one trillion, twenty-two billion, thirteen million, one hundred thirty-three thousand, two hundred thirty-one".