1154113031 has 2 divisors, whose sum is σ = 1154113032. Its totient is φ = 1154113030.

The previous prime is 1154113019. The next prime is 1154113069. The reversal of 1154113031 is 1303114511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1154113031 is a prime.

It is a super-2 number, since 2×1154113031² = 2663953776648013922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1154112994 and 1154113012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154115031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577056515 + 577056516.

It is an arithmetic number, because the mean of its divisors is an integer number (577056516).

Almost surely, 2^1154113031 is an apocalyptic number.

1154113031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154113031 is an equidigital number, since it uses as much as digits as its factorization.

1154113031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1154113031 is about 33972.2391225542. The cubic root of 1154113031 is about 1048.9371046104.

Adding to 1154113031 its reverse (1303114511), we get a palindrome (2457227542).

The spelling of 1154113031 in words is "one billion, one hundred fifty-four million, one hundred thirteen thousand, thirty-one".