1001022431 has 2 divisors, whose sum is σ = 1001022432. Its totient is φ = 1001022430.

The previous prime is 1001022419. The next prime is 1001022479. The reversal of 1001022431 is 1342201001.

It is a weak prime.

It is an emirp because it is prime and its reverse (1342201001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001022431 - 2²² = 996828127 is a prime.

It is a super-2 number, since 2×1001022431² = 2004091814730299522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001022481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500511215 + 500511216.

It is an arithmetic number, because the mean of its divisors is an integer number (500511216).

Almost surely, 2^1001022431 is an apocalyptic number.

1001022431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001022431 is an equidigital number, since it uses as much as digits as its factorization.

1001022431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1001022431 is about 31638.9385251781. The cubic root of 1001022431 is about 1000.3406942476.

Adding to 1001022431 its reverse (1342201001), we get a palindrome (2343223432).

The spelling of 1001022431 in words is "one billion, one million, twenty-two thousand, four hundred thirty-one".