1031502265641 has 9 divisors (see below), whose sum is σ = 1489952118109. Its totient is φ = 687666145836.

The previous prime is 1031502265631. The next prime is 1031502265643. The reversal of 1031502265641 is 1465622051301.

The square root of 1031502265641 is 1015629.

It is a perfect power (a square), and thus also a powerful number.

1031502265641 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 5 + 0 + 2 + 2 + 6 + 5 + 641 = 666.

1031502265641 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1031502265641 - 2⁷ = 1031502265513 is a prime.

It is a super-2 number, since 2×1031502265641² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031502265596 and 1031502265605.

It is not an unprimeable number, because it can be changed into a prime (1031502265643) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2877616 + ... + 3216158.

Almost surely, 2^{1031502265641} is an apocalyptic number.

1031502265641 is the 1015629-th square number.

1031502265641 is the 507815-th centered octagonal number.

It is an amenable number.

1031502265641 is a deficient number, since it is larger than the sum of its proper divisors (458449852468).

1031502265641 is an frugal number, since it uses more digits than its factorization.

1031502265641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677092 (or 338546 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Multiplying 1031502265641 by its sum of digits (36), we get a square (37134081563076 = 6093774²).

The spelling of 1031502265641 in words is "one trillion, thirty-one billion, five hundred two million, two hundred sixty-five thousand, six hundred forty-one".