1021101040431 has 32 divisors (see below), whose sum is σ = 1526214802880. Its totient is φ = 674693255808.

The previous prime is 1021101040423. The next prime is 1021101040441. The reversal of 1021101040431 is 1340401011201.

1021101040431 is a `hidden beast` number, since 10 + 211 + 0 + 10 + 4 + 0 + 431 = 666.

It is not a de Polignac number, because 1021101040431 - 2³ = 1021101040423 is a prime.

It is a super-2 number, since 2×1021101040431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021101040441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379505 + ... + 1986261.

It is an arithmetic number, because the mean of its divisors is an integer number (47694212590).

Almost surely, 2^{1021101040431} is an apocalyptic number.

1021101040431 is a deficient number, since it is larger than the sum of its proper divisors (505113762449).

1021101040431 is a wasteful number, since it uses less digits than its factorization.

1021101040431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607320 (or 607314 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1021101040431 its reverse (1340401011201), we get a palindrome (2361502051632).

The spelling of 1021101040431 in words is "one trillion, twenty-one billion, one hundred one million, forty thousand, four hundred thirty-one".