1031213240311 has 8 divisors (see below), whose sum is σ = 1092147057920. Its totient is φ = 970945366392.

The previous prime is 1031213240297. The next prime is 1031213240359. The reversal of 1031213240311 is 1130423121301.

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 1031213240311 - 2⁹ = 1031213239799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031213240411) 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, 166482735 + ... + 166488928.

It is an arithmetic number, because the mean of its divisors is an integer number (136518382240).

Almost surely, 2^{1031213240311} is an apocalyptic number.

1031213240311 is a deficient number, since it is larger than the sum of its proper divisors (60933817609).

1031213240311 is a wasteful number, since it uses less digits than its factorization.

1031213240311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332971845.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1031213240311 its reverse (1130423121301), we get a palindrome (2161636361612).

The spelling of 1031213240311 in words is "one trillion, thirty-one billion, two hundred thirteen million, two hundred forty thousand, three hundred eleven".