11402731 has 2 divisors, whose sum is σ = 11402732. Its totient is φ = 11402730.

The previous prime is 11402693. The next prime is 11402737. The reversal of 11402731 is 13720411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11402731 is a prime.

It is a super-2 number, since 2×11402731² = 260044548516722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11402699 and 11402708.

It is not a weakly prime, because it can be changed into another prime (11402737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701365 + 5701366.

It is an arithmetic number, because the mean of its divisors is an integer number (5701366).

Almost surely, 2^11402731 is an apocalyptic number.

11402731 is a deficient number, since it is larger than the sum of its proper divisors (1).

11402731 is an equidigital number, since it uses as much as digits as its factorization.

11402731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11402731 is about 3376.7930052048. The cubic root of 11402731 is about 225.0796820659.

The spelling of 11402731 in words is "eleven million, four hundred two thousand, seven hundred thirty-one".