1141021031 has 4 divisors (see below), whose sum is σ = 1141621272. Its totient is φ = 1140420792.

The previous prime is 1141021019. The next prime is 1141021051. The reversal of 1141021031 is 1301201411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1141021031 - 2⁶ = 1141020967 is a prime.

It is a super-2 number, since 2×1141021031² = 2603857986368605922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141020997 and 1141021015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141021051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297260 + ... + 301073.

It is an arithmetic number, because the mean of its divisors is an integer number (285405318).

Almost surely, 2^1141021031 is an apocalyptic number.

1141021031 is a deficient number, since it is larger than the sum of its proper divisors (600241).

1141021031 is an equidigital number, since it uses as much as digits as its factorization.

1141021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600240.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1141021031 is about 33779.0028123981. The cubic root of 1141021031 is about 1044.9557091490.

Adding to 1141021031 its reverse (1301201411), we get a palindrome (2442222442).

The spelling of 1141021031 in words is "one billion, one hundred forty-one million, twenty-one thousand, thirty-one".