1020532211031 has 16 divisors (see below), whose sum is σ = 1420287980544. Its totient is φ = 650583002784.

The previous prime is 1020532211009. The next prime is 1020532211033. The reversal of 1020532211031 is 1301122350201.

It is not a de Polignac number, because 1020532211031 - 2²² = 1020528016727 is a prime.

It is a super-2 number, since 2×1020532211031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020532210989 and 1020532211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020532211033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935496 + ... + 2405661.

It is an arithmetic number, because the mean of its divisors is an integer number (88767998784).

Almost surely, 2^{1020532211031} is an apocalyptic number.

1020532211031 is a deficient number, since it is larger than the sum of its proper divisors (399755769513).

1020532211031 is a wasteful number, since it uses less digits than its factorization.

1020532211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344590.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 1020532211031 its reverse (1301122350201), we get a palindrome (2321654561232).

The spelling of 1020532211031 in words is "one trillion, twenty billion, five hundred thirty-two million, two hundred eleven thousand, thirty-one".