1031133312000 has 528 divisors, whose sum is σ = 4053610626624. Its totient is φ = 249968640000.

The previous prime is 1031133311963. The next prime is 1031133312047. The reversal of 1031133312000 is 2133311301.

It is a happy number.

1031133312000 is a `hidden beast` number, since 1 + 0 + 311 + 3 + 331 + 20 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (528).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12631315 + ... + 12712685.

Almost surely, 2^{1031133312000} is an apocalyptic number.

1031133312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031133312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2026805313312).

1031133312000 is an abundant number, since it is smaller than the sum of its proper divisors (3022477314624).

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

1031133312000 is a wasteful number, since it uses less digits than its factorization.

1031133312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81423 (or 81392 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1031133312000 its reverse (2133311301), we get a palindrome (1033266623301).

The spelling of 1031133312000 in words is "one trillion, thirty-one billion, one hundred thirty-three million, three hundred twelve thousand".