1013211001231 has 16 divisors (see below), whose sum is σ = 1196327462400. Its totient is φ = 845974372320.

The previous prime is 1013211001217. The next prime is 1013211001277. The reversal of 1013211001231 is 1321001123101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1013211001231 is a prime.

It is a super-2 number, since 2×1013211001231² (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 (1013211001211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17774035 + ... + 17830948.

It is an arithmetic number, because the mean of its divisors is an integer number (74770466400).

Almost surely, 2^{1013211001231} is an apocalyptic number.

1013211001231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1013211001231 is a deficient number, since it is larger than the sum of its proper divisors (183116461169).

1013211001231 is a wasteful number, since it uses less digits than its factorization.

1013211001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35605206.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1013211001231 its reverse (1321001123101), we get a palindrome (2334212124332).

The spelling of 1013211001231 in words is "one trillion, thirteen billion, two hundred eleven million, one thousand, two hundred thirty-one".