1031213013204 has 384 divisors, whose sum is σ = 2984328990720. Its totient is φ = 273068236800.

The previous prime is 1031213013191. The next prime is 1031213013239. The reversal of 1031213013204 is 4023103121301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 970096377 + ... + 970097439.

It is an arithmetic number, because the mean of its divisors is an integer number (7771690080).

Almost surely, 2^{1031213013204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031213013204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492164495360).

1031213013204 is an abundant number, since it is smaller than the sum of its proper divisors (1953115977516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031213013204 is a wasteful number, since it uses less digits than its factorization.

1031213013204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1031213013204 its reverse (4023103121301), we get a palindrome (5054316134505).

The spelling of 1031213013204 in words is "one trillion, thirty-one billion, two hundred thirteen million, thirteen thousand, two hundred four".