1011276131 has 2 divisors, whose sum is σ = 1011276132. Its totient is φ = 1011276130.

The previous prime is 1011276103. The next prime is 1011276173. The reversal of 1011276131 is 1316721101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011276131 is a prime.

It is a super-2 number, since 2×1011276131² = 2045358826260658322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011276097 and 1011276106.

It is not a weakly prime, because it can be changed into another prime (1011276181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505638065 + 505638066.

It is an arithmetic number, because the mean of its divisors is an integer number (505638066).

Almost surely, 2^1011276131 is an apocalyptic number.

1011276131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011276131 is an equidigital number, since it uses as much as digits as its factorization.

1011276131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1011276131 is about 31800.5680924099. The cubic root of 1011276131 is about 1003.7446702746.

Adding to 1011276131 its reverse (1316721101), we get a palindrome (2327997232).

The spelling of 1011276131 in words is "one billion, eleven million, two hundred seventy-six thousand, one hundred thirty-one".