1311090429 has 8 divisors (see below), whose sum is σ = 1907040672. Its totient is φ = 794600240.

The previous prime is 1311090419. The next prime is 1311090457. The reversal of 1311090429 is 9240901131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311090429 - 2⁵ = 1311090397 is a prime.

It is a super-2 number, since 2×1311090429² = 3437916226030808082, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1311090396 and 1311090405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311090419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19864974 + ... + 19865039.

It is an arithmetic number, because the mean of its divisors is an integer number (238380084).

Almost surely, 2^1311090429 is an apocalyptic number.

It is an amenable number.

1311090429 is a deficient number, since it is larger than the sum of its proper divisors (595950243).

1311090429 is a wasteful number, since it uses less digits than its factorization.

1311090429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39730027.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1311090429 is about 36208.9827114764. The cubic root of 1311090429 is about 1094.4876926272.

The spelling of 1311090429 in words is "one billion, three hundred eleven million, ninety thousand, four hundred twenty-nine".