1031335431252 has 144 divisors (see below), whose sum is σ = 2876984181120. Its totient is φ = 281661329664.

The previous prime is 1031335431157. The next prime is 1031335431271. The reversal of 1031335431252 is 2521345331301.

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, 71668074 + ... + 71682462.

Almost surely, 2^{1031335431252} is an apocalyptic number.

1031335431252 is a gapful number since it is divisible by the number (12) 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 1031335431252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1438492090560).

1031335431252 is an abundant number, since it is smaller than the sum of its proper divisors (1845648749868).

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

1031335431252 is a wasteful number, since it uses less digits than its factorization.

1031335431252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16062 (or 16037 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 1031335431252 in words is "one trillion, thirty-one billion, three hundred thirty-five million, four hundred thirty-one thousand, two hundred fifty-two".