1031212332231 has 32 divisors (see below), whose sum is σ = 1429064337600. Its totient is φ = 660646318080.

The previous prime is 1031212332211. The next prime is 1031212332251. The reversal of 1031212332231 is 1322332121301.

It is an interprime number because it is at equal distance from previous prime (1031212332211) and next prime (1031212332251).

It is not a de Polignac number, because 1031212332231 - 2¹⁰ = 1031212331207 is a prime.

It is a super-2 number, since 2×1031212332231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031212332211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22364941 + ... + 22411001.

It is an arithmetic number, because the mean of its divisors is an integer number (44658260550).

Almost surely, 2^{1031212332231} is an apocalyptic number.

1031212332231 is a deficient number, since it is larger than the sum of its proper divisors (397852005369).

1031212332231 is a wasteful number, since it uses less digits than its factorization.

1031212332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47299.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1031212332231 its reverse (1322332121301), we get a palindrome (2353544453532).

The spelling of 1031212332231 in words is "one trillion, thirty-one billion, two hundred twelve million, three hundred thirty-two thousand, two hundred thirty-one".