1140312031 has 2 divisors, whose sum is σ = 1140312032. Its totient is φ = 1140312030.

The previous prime is 1140312007. The next prime is 1140312059. The reversal of 1140312031 is 1302130411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140312031 - 2¹³ = 1140303839 is a prime.

It is a super-2 number, since 2×1140312031² = 2600623056086689922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1140311996 and 1140312014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140312001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570156015 + 570156016.

It is an arithmetic number, because the mean of its divisors is an integer number (570156016).

Almost surely, 2^1140312031 is an apocalyptic number.

1140312031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140312031 is an equidigital number, since it uses as much as digits as its factorization.

1140312031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1140312031 is about 33768.5064964384. The cubic root of 1140312031 is about 1044.7392284463.

Adding to 1140312031 its reverse (1302130411), we get a palindrome (2442442442).

The spelling of 1140312031 in words is "one billion, one hundred forty million, three hundred twelve thousand, thirty-one".