1354221031 has 4 divisors (see below), whose sum is σ = 1367368912. Its totient is φ = 1341073152.

The previous prime is 1354221023. The next prime is 1354221097. The reversal of 1354221031 is 1301224531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1301224531 = 151 ⋅8617381.

It is a cyclic number.

It is not a de Polignac number, because 1354221031 - 2³ = 1354221023 is a prime.

It is a super-2 number, since 2×1354221031² = 3667829201605405922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1354220993 and 1354221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354221131) 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, 6573786 + ... + 6573991.

It is an arithmetic number, because the mean of its divisors is an integer number (341842228).

Almost surely, 2^1354221031 is an apocalyptic number.

1354221031 is a deficient number, since it is larger than the sum of its proper divisors (13147881).

1354221031 is a wasteful number, since it uses less digits than its factorization.

1354221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13147880.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1354221031 is about 36799.7422681192. The cubic root of 1354221031 is about 1106.3601334552.

Adding to 1354221031 its reverse (1301224531), we get a palindrome (2655445562).

The spelling of 1354221031 in words is "one billion, three hundred fifty-four million, two hundred twenty-one thousand, thirty-one".