1011253319 has 4 divisors (see below), whose sum is σ = 1015593696. Its totient is φ = 1006912944.

The previous prime is 1011253291. The next prime is 1011253337. The reversal of 1011253319 is 9133521101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9133521101 = 44021 ⋅207481.

It is a cyclic number.

It is not a de Polignac number, because 1011253319 - 2⁸ = 1011253063 is a prime.

It is a super-2 number, since 2×1011253319² = 2045266550377031522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011253339) 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, 2169839 + ... + 2170304.

It is an arithmetic number, because the mean of its divisors is an integer number (253898424).

Almost surely, 2^1011253319 is an apocalyptic number.

1011253319 is a deficient number, since it is larger than the sum of its proper divisors (4340377).

1011253319 is an equidigital number, since it uses as much as digits as its factorization.

1011253319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340376.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 1011253319 is about 31800.2094175494. The cubic root of 1011253319 is about 1003.7371228485.

The spelling of 1011253319 in words is "one billion, eleven million, two hundred fifty-three thousand, three hundred nineteen".