1051031513532 has 384 divisors, whose sum is σ = 3454754881536. Its totient is φ = 239863680000.

The previous prime is 1051031513531. The next prime is 1051031513537. The reversal of 1051031513532 is 2353151301501.

It is a super-2 number, since 2×1051031513532² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051031513532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051031513531) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22691557 + ... + 22737827.

It is an arithmetic number, because the mean of its divisors is an integer number (8996757504).

Almost surely, 2^{1051031513532} is an apocalyptic number.

1051031513532 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 1051031513532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727377440768).

1051031513532 is an abundant number, since it is smaller than the sum of its proper divisors (2403723368004).

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

1051031513532 is a wasteful number, since it uses less digits than its factorization.

1051031513532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46401 (or 46399 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The spelling of 1051031513532 in words is "one trillion, fifty-one billion, thirty-one million, five hundred thirteen thousand, five hundred thirty-two".