1431172541 has 2 divisors, whose sum is σ = 1431172542. Its totient is φ = 1431172540.

The previous prime is 1431172529. The next prime is 1431172553. The reversal of 1431172541 is 1452711341.

It is a balanced prime because it is at equal distance from previous prime (1431172529) and next prime (1431172553).

It can be written as a sum of positive squares in only one way, i.e., 1098657316 + 332515225 = 33146^2 + 18235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431172541 - 2²⁶ = 1364063677 is a prime.

It is a super-2 number, since 2×1431172541² = 4096509684224793362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431177541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715586270 + 715586271.

It is an arithmetic number, because the mean of its divisors is an integer number (715586271).

Almost surely, 2^1431172541 is an apocalyptic number.

It is an amenable number.

1431172541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431172541 is an equidigital number, since it uses as much as digits as its factorization.

1431172541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 1431172541 is about 37830.8411352431. The cubic root of 1431172541 is about 1126.9310153826.

Adding to 1431172541 its reverse (1452711341), we get a palindrome (2883883882).

The spelling of 1431172541 in words is "one billion, four hundred thirty-one million, one hundred seventy-two thousand, five hundred forty-one".